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    546 Products
    About Tapping Screws
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    Compare drilling, pointed, thread-forming, and thread-cutting tips to find the best choice for your material.

    Steel Flanged Hex Head Drilling Screws

    Image of Product. Front orientation. Tapping Screws. Steel Flanged Hex Head Drilling Screws.
    Save time and effort with screws that drill and fasten in one step. The hex head gives you a firm, high-torque grip with a nutdriver or socket. Screws have a flange under the head that spreads the load to prevent crushing thin metal.
    Length is measured from under the flange. Head height includes the flange.
    Zinc-Plated Steel—A common choice for areas with occasional exposure to moisture.
    Black-Zinc-Plated Steel—The dark finish withstands occasional exposure to moisture while creating a finished look.
    Corrosion-Resistant-Coated Steel—The coating has been tested to extreme standards, including 1,000 hours of salt spray resistance, to hold up in wet and outdoor environments.
    Corrosion-Resistant-Coated Alloy Steel—The strongest steel drilling screws we sell. They have a coating that is tested to extreme standards, including 1,000 hours of salt spray resistance, to hold up in wet and outdoor environments.
    Drill
    Tip
    Head
    Lg.
    Point
    Size
    Lg.
    Wd.
    Ht.
    Flange
    Dia.
    Max. Drilling
    Thk.
    Tapping
    Screw Type
    Approx. Threads
    per In.
    Specs. Met
    Pkg.
    Qty.
    Pkg.
    Zinc-Plated Steel
     
    No. 4 Screw Size
    3/8"No. 29/64"0.188"0.079"0.243"0.080"BSD2410090064A714000000
    1/2"No. 29/64"0.188"0.079"0.243"0.080"BSD2410090064A71500000
    3/4"No. 29/64"0.188"0.079"0.243"0.080"BSD2410090064A71600000
    1"No. 29/64"0.188"0.079"0.243"0.080"BSD2410090064A71700000
     
    No. 6 Screw Size
    1/4"No. 29/64"0.25"0.118"0.328"0.090"BSD205090064A7180000
    5/16"No. 29/64"0.25"0.118"0.328"0.090"BSD2010090064A71900000
    3/8"No. 29/64"0.25"0.118"0.328"0.090"BSD2010090064A1460000
    1/2"No. 29/64"0.25"0.118"0.328"0.090"BSD2010090064A14800000
    5/8"No. 29/64"0.25"0.118"0.328"0.090"BSD2010090064A15000000
    3/4"No. 29/64"0.25"0.118"0.328"0.090"BSD2010090064A1510000
    1"No. 29/64"0.25"0.118"0.328"0.090"BSD2010090064A1530000
    1 1/4"No. 29/64"0.25"0.118"0.328"0.090"BSD2010090064A7210000
    1 1/2"No. 29/64"0.25"0.118"0.328"0.090"BSD205090064A7220000
    2"No. 29/64"0.25"0.118"0.328"0.090"BSD205090064A7230000
     
    No. 8 Screw Size
    1/4"No. 23/16"0.25"0.141"0.348"0.098"BSD185090064A7240000
    5/16"No. 23/16"0.25"0.141"0.348"0.098"BSD185090064A7250000
    3/8"No. 23/16"0.25"0.141"0.348"0.098"BSD1810090064A7260000
    1/2"No. 23/16"0.25"0.141"0.348"0.098"BSD1810090064A33000000
    9/16"No. 23/16"0.25"0.141"0.348"0.098"BSD185090064A7270000
    3/4"No. 23/16"0.25"0.141"0.348"0.098"BSD1810090064A3500000
    7/8"No. 23/16"0.25"0.141"0.348"0.098"BSD1810090064A72800000
    1"No. 23/16"0.25"0.141"0.348"0.098"BSD1810090064A3600000
    1 1/4"No. 23/16"0.25"0.141"0.348"0.098"BSD1810090064A37000000
    1 1/2"No. 23/16"0.25"0.141"0.348"0.098"BSD1810090064A38000000
    1 5/8"No. 23/16"0.25"0.141"0.348"0.098"BSD185090064A72900000
    1 3/4"No. 23/16"0.25"0.141"0.348"0.098"BSD185090064A7310000
    2"No. 23/16"0.25"0.141"0.348"0.098"BSD185090064A7320000
    2 1/2"No. 23/16"0.25"0.141"0.348"0.098"BSD182590064A7330000
    3"No. 23/16"0.25"0.141"0.348"0.098"BSD182590064A7340000
    3 1/2"No. 23/16"0.25"0.141"0.348"0.098"BSD182590064A73500000
    4"No. 23/16"0.25"0.141"0.348"0.098"BSD181090064A73600000
     
    No. 10 Screw Size
    3/8"No. 213/64"0.313"0.151"0.414"0.098"BSD165090064A7370000
    1/2"No. 213/64"0.313"0.151"0.414"0.106"CSD2410090064A48000000
    1/2"No. 31/4"0.313"0.151"0.414"0.150"BSD1610090064A43000000
    5/8"No. 31/4"0.313"0.151"0.414"0.150"BSD1610090064A44000000
    3/4"No. 31/4"0.313"0.151"0.414"0.150"BSD1610090064A45000000
    1"No. 31/4"0.313"0.151"0.414"0.150"BSD1610090064A46000000
    1 1/4"No. 31/4"0.313"0.151"0.414"0.150"BSD1610090064A46100000
    1 1/2"No. 31/4"0.313"0.151"0.414"0.150"BSD1610090064A46200000
    2"No. 31/4"0.313"0.151"0.414"0.150"BSD1610090064A46300000
    2 1/2"No. 31/4"0.313"0.151"0.414"0.175"BSD162590064A7380000
    3"No. 31/4"0.313"0.151"0.414"0.150"BSD162590064A4640000
    3 1/2"No. 31/4"0.313"0.151"0.414"0.175"BSD161090064A73900000
    4"No. 31/4"0.313"0.151"0.414"0.175"BSD161090064A7410000
    4 1/2"No. 31/4"0.313"0.151"0.414"0.175"BSD16590064A7420000
    5"No. 31/4"0.313"0.151"0.414"0.175"BSD16590064A74300000
    6"No. 31/4"0.313"0.151"0.414"0.175"BSD16590064A74400000
     
    No. 12 Screw Size
    1/2"No. 213/64"0.313"0.194"0.432"0.110"BSD142590064A7450000
    5/8"No. 39/32"0.313"0.194"0.432"0.210"BSD142590064A7460000
    3/4"No. 39/32"0.313"0.194"0.432"0.187"BSD1410090064A58000000
    7/8"No. 39/32"0.313"0.194"0.432"0.210"BSD142590064A7470000
    1"No. 39/32"0.313"0.194"0.432"0.187"BSD1410090064A58100000
    1 1/4"No. 39/32"0.313"0.194"0.432"0.187"BSD1410090064A59000000
    1 1/2"No. 39/32"0.313"0.194"0.432"0.187"BSD145090064A58200000
    1 3/4"No. 31/4"0.313"0.209"0.415"0.187"BSD145090064A59100000
    2"No. 39/32"0.313"0.194"0.432"0.187"BSD145090064A58300000
    2 1/2"No. 39/32"0.313"0.194"0.432"0.187"BSD145090064A58400000
    3"No. 39/32"0.313"0.194"0.432"0.187"BSD142590064A58500000
    3 1/2"No. 39/32"0.313"0.194"0.432"0.210"BSD141090064A7480000
    4"No. 39/32"0.313"0.194"0.432"0.187"BSD142590064A58700000
    4 1/2"No. 39/32"0.313"0.194"0.432"0.210"BSD14590064A74900000
    5"No. 39/32"0.313"0.194"0.432"0.210"BSD14590064A75100000
    6"No. 39/32"0.313"0.194"0.432"0.210"BSD14590064A75200000
     
    1/4" Screw Size
    1/2"No. 25/16"0.375"0.24"0.520"0.220"BSD142590064A7530000
    3/4"No. 35/16"0.375"0.24"0.520"0.210"BSD1410090064A61000000
    7/8"No. 35/16"0.375"0.24"0.520"0.220"BSD142590064A7540000
    1"No. 35/16"0.375"0.24"0.520"0.210"BSD145090064A62000000
    1 1/4"No. 35/16"0.375"0.24"0.520"0.210"BSD145090064A62200000
    1 1/2"No. 35/16"0.375"0.24"0.520"0.210"BSD145090064A63000000
    1 3/4"No. 35/16"0.375"0.24"0.520"0.210"BSD145090064A63100000
    2"No. 35/16"0.375"0.24"0.520"0.210"BSD145090064A63200000
    3"No. 35/16"0.375"0.24"0.520"0.210"BSD142590064A63400000
    3 1/2"No. 35/16"0.375"0.24"0.520"0.220"BSD141090064A7550000
    4"No. 35/16"0.375"0.221"0.500"0.210"BSD141090064A6360000
    4 1/2"No. 35/16"0.375"0.24"0.520"0.220"BSD14590064A7560000
    5"No. 413/32"0.375"0.221"0.500"0.236"BSD14590064A63800000
    6"No. 545/64"0.375"0.24"0.520"0.500"BSD14590064A64000000
     
    5/16" Screw Size
    3/4"No. 325/64"0.5"0.29"0.676"0.220"BSD121090064A7570000
    1"No. 35/16"0.375"0.29"0.620"0.250"181090064A7050000
    1 1/4"No. 313/32"0.5"0.29"0.676"0.220"BSD121090064A7090000
    1 3/4"No. 325/64"0.5"0.29"0.676"0.220"BSD12590064A7580000
    2"No. 325/64"0.5"0.29"0.676"0.220"BSD12190064A7590000
    2 1/2"No. 325/64"0.5"0.29"0.676"0.220"BSD12590064A7610000
    3"No. 325/64"0.5"0.29"0.676"0.220"BSD12190064A7620000
    4"No. 325/64"0.5"0.29"0.676"0.220"BSD12190064A7630000
    5"No. 325/64"0.5"0.29"0.676"0.220"BSD12190064A7640000
    6"No. 325/64"0.5"0.29"0.676"0.220"BSD12190064A76500000
     
    3/8" Screw Size
    3/4"No. 321/64"0.562"0.358"0.780"0.220"BSD12590064A7660000
    1"No. 321/64"0.562"0.358"0.780"0.220"BSD12590064A7670000
    1 1/4"No. 321/64"0.562"0.358"0.780"0.220"BSD12190064A7680000
    1 1/2"No. 321/64"0.562"0.358"0.780"0.220"BSD12190064A7690000
    1 3/4"No. 321/64"0.562"0.358"0.780"0.220"BSD12190064A7710000
    2"No. 321/64"0.562"0.358"0.780"0.220"BSD12190064A7720000
    2 1/2"No. 321/64"0.562"0.358"0.780"0.220"BSD12190064A7730000
    3"No. 321/64"0.562"0.358"0.780"0.220"BSD12190064A7740000
    4"No. 321/64"0.562"0.358"0.780"0.220"BSD12190064A7750000
    5"No. 321/64"0.562"0.358"0.780"0.220"BSD12190064A7760000
    6"No. 321/64"0.562"0.358"0.780"0.220"BSD12190064A77700000
     
    M3.5 Screw Size
    9.5 mmNo. 25.9 mm5.5 mm3.4 mm8.3 mm0.089"BSDDIN 7504 K, ISO 1548010090469A10100000
    13 mmNo. 25.9 mm5.5 mm3.4 mm8.3 mm0.089"BSDDIN 7504 K, ISO 1548010090469A1020000
    16 mmNo. 25.9 mm5.5 mm3.4 mm8.3 mm0.089"BSDDIN 7504 K, ISO 1548010090469A1030000
    19 mmNo. 25.9 mm5.5 mm3.4 mm8.3 mm0.089"BSDDIN 7504 K, ISO 1548010090469A10400000
    22 mmNo. 25.9 mm5.5 mm3.4 mm8.3 mm0.089"BSDDIN 7504 K, ISO 1548010090469A1050000
    25 mmNo. 25.9 mm5.5 mm3.4 mm8.3 mm0.089"BSDDIN 7504 K, ISO 1548010090469A1060000
     
    M3.9 Screw Size
    13 mmNo. 26.3 mm5.5 mm3.4 mm8.3 mm0.095"BSDDIN 7504 K, ISO 1548010090469A1070000
    16 mmNo. 26.3 mm5.5 mm3.4 mm8.3 mm0.095"BSDDIN 7504 K, ISO 1548010090469A1080000
    19 mmNo. 26.3 mm5.5 mm3.4 mm8.3 mm0.095"BSDDIN 7504 K, ISO 1548010090469A1090000
    22 mmNo. 26.3 mm5.5 mm3.4 mm8.3 mm0.095"BSDDIN 7504 K, ISO 1548010090469A1110000
    25 mmNo. 26.3 mm5.5 mm3.4 mm8.3 mm0.095"BSDDIN 7504 K, ISO 1548010090469A1120000
    32 mmNo. 26.3 mm5.5 mm3.4 mm8.3 mm0.095"BSDDIN 7504 K, ISO 1548010090469A1130000
     
    M4.2 Screw Size
    13 mmNo. 27.7 mm7 mm4.1 mm8.8 mm0.118"BSDDIN 7504 K, ISO 1548010090469A1140000
    16 mmNo. 27.7 mm7 mm4.1 mm8.8 mm0.118"BSDDIN 7504 K, ISO 1548010090469A1150000
    19 mmNo. 27.7 mm7 mm4.1 mm8.8 mm0.118"BSDDIN 7504 K, ISO 1548010090469A1160000
    22 mmNo. 27.7 mm7 mm4.1 mm8.8 mm0.118"BSDDIN 7504 K, ISO 1548010090469A11700000
    25 mmNo. 27.7 mm7 mm4.1 mm8.8 mm0.118"BSDDIN 7504 K, ISO 1548010090469A11800000
    32 mmNo. 27.7 mm7 mm4.1 mm8.8 mm0.118"BSDDIN 7504 K, ISO 154805090469A1190000
    38 mmNo. 27.7 mm7 mm4.1 mm8.8 mm0.118"BSDDIN 7504 K, ISO 154805090469A1210000
     
    M4.8 Screw Size
    13 mmNo. 29.3 mm8 mm4.3 mm10.5 mm0.173"BSDDIN 7504 K, ISO 1548010090469A12200000
    16 mmNo. 29.3 mm8 mm4.3 mm10.5 mm0.173"BSDDIN 7504 K, ISO 1548010090469A12300000
    19 mmNo. 29.3 mm8 mm4.3 mm10.5 mm0.173"BSDDIN 7504 K, ISO 1548010090469A12400000
    22 mmNo. 29.3 mm8 mm4.3 mm10.5 mm0.173"BSDDIN 7504 K, ISO 154805090469A1250000
    25 mmNo. 29.3 mm8 mm4.3 mm10.5 mm0.173"BSDDIN 7504 K, ISO 154805090469A1260000
    32 mmNo. 29.3 mm8 mm4.3 mm10.5 mm0.173"BSDDIN 7504 K, ISO 154805090469A1270000
    38 mmNo. 29.3 mm8 mm4.3 mm10.5 mm0.173"BSDDIN 7504 K, ISO 154805090469A1280000
    45 mmNo. 29.3 mm8 mm4.3 mm10.5 mm0.173"BSDDIN 7504 K, ISO 154805090469A1290000
    50 mmNo. 29.3 mm8 mm4.3 mm10.5 mm0.173"BSDDIN 7504 K, ISO 154805090469A1310000
    60 mmNo. 29.3 mm8 mm4.3 mm10.5 mm0.173"BSDDIN 7504 K, ISO 154805090469A13200000
    70 mmNo. 29.3 mm8 mm4.3 mm10.5 mm0.173"BSDDIN 7504 K, ISO 154802590469A1330000
    80 mmNo. 29.3 mm8 mm4.3 mm10.5 mm0.173"BSDDIN 7504 K, ISO 154802590469A13400000
     
    M5.5 Screw Size
    16 mmNo. 310 mm8 mm5.4 mm11 mm0.207"BSDDIN 7504 K, ISO 154805090469A13500000
    19 mmNo. 310 mm8 mm5.4 mm11 mm0.207"BSDDIN 7504 K, ISO 154805090469A13600000
    22 mmNo. 310 mm8 mm5.4 mm11 mm0.207"BSDDIN 7504 K, ISO 154805090469A13700000
    25 mmNo. 310 mm8 mm5.4 mm11 mm0.207"BSDDIN 7504 K, ISO 154805090469A1380000
    32 mmNo. 310 mm8 mm5.4 mm11 mm0.207"BSDDIN 7504 K, ISO 154805090469A13900000
    38 mmNo. 310 mm8 mm5.4 mm11 mm0.207"BSDDIN 7504 K, ISO 154805090469A14100000
    45 mmNo. 310 mm8 mm5.4 mm11 mm0.207"BSDDIN 7504 K, ISO 154802590469A1420000
    50 mmNo. 310 mm8 mm5.4 mm11 mm0.207"BSDDIN 7504 K, ISO 154802590469A1430000
    60 mmNo. 310 mm8 mm5.4 mm11 mm0.207"BSDDIN 7504 K, ISO 154802590469A1440000
    70 mmNo. 310 mm8 mm5.4 mm11 mm0.207"BSDDIN 7504 K, ISO 154802590469A14500000
    80 mmNo. 310 mm8 mm5.4 mm11 mm0.207"BSDDIN 7504 K, ISO 154802590469A14600000
    90 mmNo. 310 mm8 mm5.4 mm11 mm0.207"BSDDIN 7504 K, ISO 154802590469A14700000
    100 mmNo. 310 mm8 mm5.4 mm11 mm0.207"BSDDIN 7504 K, ISO 154801090469A1480000
     
    M6.3 Screw Size
    16 mmNo. 311 mm10 mm5.9 mm13.5 mm0.236"BSDDIN 7504 K, ISO 154805090469A14900000
    19 mmNo. 311 mm10 mm5.9 mm13.5 mm0.236"BSDDIN 7504 K, ISO 154805090469A15100000
    22 mmNo. 311 mm10 mm5.9 mm13.5 mm0.236"BSDDIN 7504 K, ISO 154805090469A15200000
    25 mmNo. 311 mm10 mm5.9 mm13.5 mm0.236"BSDDIN 7504 K, ISO 154805090469A15300000
    32 mmNo. 311 mm10 mm5.9 mm13.5 mm0.236"BSDDIN 7504 K, ISO 154802590469A1540000
    38 mmNo. 311 mm10 mm5.9 mm13.5 mm0.236"BSDDIN 7504 K, ISO 154802590469A1550000
    45 mmNo. 311 mm10 mm5.9 mm13.5 mm0.236"BSDDIN 7504 K, ISO 154802590469A1560000
    50 mmNo. 311 mm10 mm5.9 mm13.5 mm0.236"BSDDIN 7504 K, ISO 154802590469A15700000
    60 mmNo. 311 mm10 mm5.9 mm13.5 mm0.236"BSDDIN 7504 K, ISO 154802590469A15800000
    70 mmNo. 311 mm10 mm5.9 mm13.5 mm0.236"BSDDIN 7504 K, ISO 154801090469A1590000
    80 mmNo. 311 mm10 mm5.9 mm13.5 mm0.236"BSDDIN 7504 K, ISO 154801090469A1610000
    90 mmNo. 311 mm10 mm5.9 mm13.5 mm0.236"BSDDIN 7504 K, ISO 154801090469A1620000
    100 mmNo. 311 mm10 mm5.9 mm13.5 mm0.236"BSDDIN 7504 K, ISO 154801090469A1630000
    110 mmNo. 311 mm10 mm5.9 mm13.5 mm0.236"BSDDIN 7504 K, ISO 154801090469A1640000
    120 mmNo. 311 mm10 mm5.9 mm13.5 mm0.236"BSDDIN 7504 K, ISO 154801090469A1650000
    130 mmNo. 311 mm10 mm5.9 mm13.5 mm0.236"BSDDIN 7504 K, ISO 154801090469A1660000
    140 mmNo. 311 mm10 mm5.9 mm13.5 mm0.236"BSDDIN 7504 K, ISO 154801090469A16700000
    150 mmNo. 311 mm10 mm5.9 mm13.5 mm0.236"BSDDIN 7504 K, ISO 15480590469A1680000
    160 mmNo. 311 mm10 mm5.9 mm13.5 mm0.236"BSDDIN 7504 K, ISO 15480590469A1690000
     
    Black-Zinc-Plated Steel
     
    No. 8 Screw Size
    1/2"No. 23/16"0.25"0.141"0.348"0.098"BSD185090064A7780000
    3/4"No. 23/16"0.25"0.141"0.348"0.098"BSD185090064A7790000
    1"No. 23/16"0.25"0.141"0.348"0.098"BSD185090064A78100000
    1 1/4"No. 23/16"0.25"0.141"0.348"0.098"BSD182590064A7820000
    1 1/2"No. 23/16"0.25"0.141"0.348"0.098"BSD182590064A7830000
     
    No. 10 Screw Size
    1/2"No. 213/64"0.313"0.151"0.414"0.110"BSD165090064A78400000
    3/4"No. 31/4"0.313"0.151"0.414"0.175"BSD165090064A78500000
    1"No. 31/4"0.313"0.151"0.414"0.175"BSD165090064A78600000
    1 1/4"No. 31/4"0.313"0.151"0.414"0.175"BSD162590064A7870000
    1 1/2"No. 31/4"0.313"0.151"0.414"0.175"BSD162590064A78800000
     
    No. 12 Screw Size
    5/8"No. 39/32"0.313"0.194"0.432"0.210"BSD142590064A7890000
    3/4"No. 39/32"0.313"0.194"0.432"0.210"BSD142590064A7910000
    1"No. 39/32"0.313"0.194"0.432"0.210"BSD142590064A7920000
    1 1/2"No. 39/32"0.313"0.194"0.432"0.210"BSD141090064A7930000
     
    1/4" Screw Size
    3/4"No. 35/16"0.375"0.24"0.520"0.220"BSD142590064A79400000
    1"No. 35/16"0.375"0.24"0.520"0.220"BSD141090064A7950000
    1 1/4"No. 35/16"0.375"0.24"0.520"0.220"BSD141090064A7960000
    1 1/2"No. 35/16"0.375"0.24"0.520"0.220"BSD141090064A7970000
    1 3/4"No. 35/16"0.375"0.24"0.520"0.220"BSD141090064A7980000
    2"No. 35/16"0.375"0.24"0.520"0.220"BSD141090064A7990000
     
    5/16" Screw Size
    3/4"No. 325/64"0.5"0.29"0.676"0.220"BSD121090064A80100000
    1"No. 325/64"0.5"0.29"0.676"0.220"BSD12590064A8020000
    1 1/4"No. 325/64"0.5"0.29"0.676"0.220"BSD12590064A8030000
    1 1/2"No. 325/64"0.5"0.29"0.676"0.220"BSD12590064A8040000
     
    Corrosion-Resistant-Coated Steel
     
    No. 8 Screw Size
    1/2"No. 23/16"0.25"0.141"0.348"0.098"BSD1810091324A3300000
    5/8"No. 29/64"0.25"0.141"0.348"0.098"BSD1810091324A34000000
    3/4"No. 23/16"0.25"0.141"0.348"0.098"BSD1810091324A35000000
    1"No. 29/64"0.25"0.141"0.348"0.098"BSD1810091324A36000000
     
    No. 10 Screw Size
    1/2"No. 31/4"0.313"0.172"0.400"0.175"BSD1610091324A50100000
    5/8"No. 23/16"0.313"0.151"0.414"0.106"BSD1610091324A44000000
    5/8"No. 31/4"0.313"0.172"0.400"0.175"BSD1610091324A5040000
    3/4"No. 13/8"0.313"0.172"0.400"0.095"BSD1610091324A40000000
    3/4"No. 213/64"0.313"0.151"0.414"0.106"BSD1610091324A45000000
    3/4"No. 31/4"0.313"0.151"0.400"0.175"CSD2410091324A55100000
    3/4"No. 31/4"0.313"0.172"0.400"0.175"BSD1610091324A50700000
    1"No. 23/16"0.313"0.151"0.414"0.106"BSD1610091324A46000000
    1"No. 31/4"0.313"0.151"0.400"0.175"CSD245091324A5560000
    1"No. 31/4"0.313"0.172"0.400"0.175"BSD1610091324A51000000
    1 1/4"No. 23/16"0.313"0.138"0.399"0.106"BSD165091324A46100000
    1 1/4"No. 31/4"0.313"0.172"0.400"0.175"BSD1610091324A51300000
    1 1/2"No. 23/16"0.313"0.151"0.414"0.106"BSD165091324A46200000
    1 1/2"No. 31/4"0.313"0.172"0.400"0.175"BSD165091324A5160000
     
    No. 12 Screw Size
    3/4"No. 15/32"0.313"0.21"0.400"0.095"BSD145091324A5700000
    3/4"No. 39/32"0.313"0.19"0.400"0.187"BSD145091324A5800000
    7/8"No. 49/32"0.313"0.19"0.400"0.210"CSD245091324A58500000
    1"No. 39/32"0.313"0.19"0.400"0.187"BSD145091324A58100000
    1 1/4"No. 39/32"0.313"0.194"0.432"0.187"BSD145091324A5780000
    1 1/4"No. 4.51/2"0.313"0.19"0.400"0.375"CSD245091324A58700000
    1 1/4"No. 545/64"0.313"0.19"0.400"0.500"CSD242591324A59000000
    1 1/2"No. 31/4"0.313"0.184"0.432"0.187"BSD145091324A58200000
    1 1/2"No. 4.531/64"0.313"0.184"0.415"0.375"CSD245091324A1010000
    1 1/2"No. 545/64"0.313"0.19"0.400"0.500"CSD242591324A59100000
    2"No. 39/32"0.313"0.19"0.400"0.187"BSD145091324A58300000
    2"No. 545/64"0.313"0.19"0.400"0.500"CSD242591324A59200000
    2 1/2"No. 39/32"0.313"0.19"0.400"0.187"BSD142591324A8050000
    3"No. 39/32"0.313"0.19"0.400"0.187"BSD142591324A81000000
    3"No. 545/64"0.313"0.209"0.415"0.500"CSD241091324A5950000
    4"No. 39/32"0.313"0.19"0.400"0.187"BSD142591324A81500000
     
    1/4" Screw Size
    3/4"No. 35/16"0.375"0.255"0.500"0.210"BSD145091324A61000000
    7/8"No. 15/16"0.313"0.255"0.400"0.048"BSD145091324A60500000
    1"No. 35/16"0.375"0.255"0.500"0.210"BSD145091324A62000000
    1 1/4"No. 35/16"0.375"0.255"0.500"0.210"BSD145091324A62500000
    1 1/2"No. 35/16"0.375"0.255"0.500"0.210"BSD141091324A6300000
    2"No. 35/16"0.375"0.255"0.500"0.210"BSD141091324A6320000
    2 1/2"No. 35/16"0.375"0.255"0.500"0.210"BSD142591324A63500000
    3"No. 35/16"0.375"0.255"0.500"0.210"BSD141091324A6380000
    3"No. 545/64"0.375"0.255"0.500"0.500"CSD281091324A71000000
    4"No. 35/16"0.375"0.255"0.500"0.210"BSD141091324A6410000
    4"No. 55/8"0.313"0.185"0.415"0.500"CSD201091324A1020000
    4"No. 545/64"0.375"0.255"0.500"0.500"CSD281091324A71500000
    5"No. 59/16"0.375"0.24"0.625"0.500"CSD201091324A64500000
    5"No. 55/8"0.375"0.23"0.595"0.500"CSD201091324A1030000
    5"No. 545/64"0.375"0.255"0.600"0.500"CSD28591324A71800000
    6"No. 59/16"0.375"0.24"0.625"0.500"CSD201091324A65100000
    6"No. 55/8"0.375"0.23"0.595"0.500"CSD20591324A1040000
    6"No. 545/64"0.375"0.255"0.600"0.500"CSD28591324A72000000
    8"No. 55/8"0.375"0.23"0.595"0.500"CSD20591324A1050000
    8"No. 545/64"0.375"0.255"0.600"0.500"CSD28591324A72500000
     
    5/16" Screw Size
    1"No. 313/32"0.375"0.29"0.600"0.250"CSD182591324A1060000
    1 1/4"No. 313/32"0.375"0.29"0.600"0.250"CSD182591324A1070000
    1 1/2"No. 313/32"0.375"0.29"0.600"0.250"CSD182591324A1080000
     
    Corrosion-Resistant-Coated Alloy Steel
     
    No. 10 Screw Size
    3/4"No. 313/64"0.313"0.151"0.414"0.15"BSD162590122A31300000
     
    No. 12 Screw Size
    7/8"No. 319/64"0.313"0.194"0.432"0.187"BSD142590122A31600000
    1"No. 319/64"0.313"0.194"0.432"0.187"BSD142590122A31900000
    1 1/2"No. 319/64"0.313"0.194"0.432"0.187"BSD142590122A32100000
    1 3/4"No. 521/32"0.313"0.194"0.432"1/2"CSD241090122A32700000
    2"No. 319/64"0.313"0.194"0.432"0.187"BSD142590122A32400000
     
    1/4" Screw Size
    1"No. 35/16"0.375"0.24"0.52"0.21"BSD141090122A32900000
    1 1/8"No. 47/16"0.375"0.24"0.52"0.236"CSD201090122A33500000
    1 1/2"No. 35/16"0.375"0.24"0.52"0.21"BSD141090122A33300000
    1 1/2"No. 47/16"0.375"0.24"0.52"0.236"CSD201090122A33800000
    2"No. 311/32"0.375"0.24"0.52"0.21"BSD141090122A3340000
    2"No. 427/64"0.375"0.24"0.52"0.236"CSD201090122A34100000
    2 1/2"No. 427/64"0.375"0.24"0.52"0.236"CSD201090122A34500000
     

    Stainless Steel Flanged Hex Head Drilling Screws

    Image of Product. Front orientation. Tapping Screws. Stainless Steel Flanged Hex Head Drilling Screws.
    These corrosion-resistant screws save time and effort by drilling and fastening in one step. The hex head gives you a firm, high-torque grip with a nutdriver or socket. Screws have a flange under the head that spreads the load to prevent crushing thin metal.
    Length is measured from under the flange. Head height includes the flange.
    410 Stainless Steel—Tougher and more wear resistant than other stainless steel screws but less corrosion resistant.
    410 Molybdenum Stainless Steel—With added molybdenum, these screws resist rusting and pitting better than other 410 stainless steel screws.
    Corrosion-Resistant-Coated 18-8 Stainless Steel with Hardened Steel Tip—Penetrate metal and resist corrosion. The coating has been tested to extreme standards, including 1,000 hours of salt spray resistance, to hold up in wet and outdoor environments. The hardened tip pierces metal for secure fastening.
    Galvanic-Barrier-Coated 18-8 Stainless Steel with Hardened Steel Tip—Penetrate metal and resist corrosion from contact between dissimilar metals. The coating has been tested to extreme standards, including 1,000 hours of salt spray resistance, to hold up in wet and outdoor environments. The hardened tip pierces metal for secure fastening.
    Drill
    Tip
    Head
    Lg.
    Point
    Size
    Lg.
    Wd.
    Ht.
    Flange
    Dia.
    Max. Drilling
    Thk.
    Tapping
    Screw Type
    Approx. Threads
    per In.
    Pkg.
    Qty.
    Pkg.
    410 Stainless Steel
     
    No. 6 Screw Size
    3/8"No. 17/64"0.25"0.118"0.328"0.035"BSD2010090822A14600000
    1/2"No. 29/64"0.25"0.118"0.328"0.09"BSD2010090822A1480000
    5/8"No. 29/64"0.25"0.118"0.328"0.09"BSD2010090822A1490000
    3/4"No. 29/64"0.25"0.118"0.328"0.09"BSD2010090822A15200000
    1"No. 29/64"0.25"0.118"0.328"0.09"BSD2010090822A15300000
    1 1/4"No. 29/64"0.25"0.118"0.328"0.09"BSD2010090822A15500000
    1 1/2"No. 29/64"0.25"0.118"0.328"0.09"BSD205090822A1580000
     
    No. 8 Screw Size
    3/8"No. 11/8"0.25"0.141"0.348"0.035"BSD1810090822A3270000
    1/2"No. 23/16"0.25"0.141"0.348"0.098"BSD1810090822A33000000
    5/8"No. 23/16"0.25"0.141"0.348"0.098"BSD1810090822A34500000
    3/4"No. 23/16"0.25"0.141"0.348"0.098"BSD1810090822A35000000
    1"No. 23/16"0.25"0.141"0.348"0.098"BSD1810090822A36000000
    1 1/4"No. 23/16"0.25"0.141"0.348"0.098"BSD1810090822A37000000
    1 1/2"No. 23/16"0.25"0.141"0.348"0.098"BSD185090822A38000000
    1 3/4"No. 23/16"0.25"0.141"0.348"0.098"BSD185090822A38200000
    2"No. 23/16"0.25"0.141"0.348"0.098"BSD182590822A3860000
     
    No. 10 Screw Size
    1/2"No. 213/64"0.313"0.151"0.414"0.106"BSD165090822A4300000
    5/8"No. 31/4"0.313"0.151"0.414"0.15"BSD165090822A4400000
    3/4"No. 31/4"0.313"0.151"0.414"0.15"BSD165090822A4500000
    1"No. 31/4"0.313"0.151"0.414"0.15"BSD165090822A46000000
    1 1/4"No. 31/4"0.313"0.151"0.414"0.15"BSD165090822A47000000
    1 1/2"No. 31/4"0.313"0.151"0.414"0.15"BSD165090822A48000000
    1 3/4"No. 31/4"0.313"0.151"0.414"0.15"BSD162590822A4840000
    2"No. 31/4"0.313"0.151"0.414"0.15"BSD162590822A52000000
    2 1/2"No. 31/4"0.313"0.151"0.414"0.15"BSD162590822A52400000
    3"No. 31/4"0.313"0.151"0.414"0.15"BSD162590822A52800000
    3 1/2"No. 31/4"0.313"0.151"0.414"0.15"BSD161090822A3100000
    4"No. 31/4"0.313"0.151"0.414"0.15"BSD161090822A32000000
     
    No. 12 Screw Size
    3/4"No. 39/32"0.313"0.194"0.432"0.187"BSD145090822A58000000
    1"No. 39/32"0.313"0.194"0.432"0.187"BSD145090822A58100000
    1 1/4"No. 39/32"0.313"0.194"0.432"0.187"BSD142590822A5870000
    1 1/2"No. 39/32"0.313"0.194"0.432"0.187"BSD142590822A58200000
    1 3/4"No. 39/32"0.313"0.194"0.432"0.187"BSD142590822A58500000
    2"No. 39/32"0.313"0.194"0.432"0.187"BSD142590822A58300000
    2 1/2"No. 39/32"0.313"0.194"0.432"0.187"BSD142590822A59100000
    3"No. 39/32"0.313"0.194"0.432"0.187"BSD141090822A5940000
    3 1/2"No. 39/32"0.313"0.194"0.432"0.187"BSD141090822A5330000
    4"No. 39/32"0.313"0.194"0.432"0.187"BSD141090822A59800000
    5"No. 39/32"0.313"0.194"0.432"0.187"BSD14590822A53400000
    6"No. 39/32"0.313"0.194"0.432"0.187"BSD14190822A5350000
     
    No. 14 Screw Size
    3/4"No. 35/16"0.375"0.24"0.52"0.21"BSD142590822A61000000
    1"No. 35/16"0.375"0.24"0.52"0.21"BSD142590822A62000000
    1 1/4"No. 35/16"0.375"0.24"0.52"0.21"BSD142590822A62500000
    1 1/2"No. 35/16"0.375"0.24"0.52"0.21"BSD142590822A63000000
    2"No. 35/16"0.375"0.24"0.52"0.21"BSD141090822A6400000
    3 1/2"No. 35/16"0.375"0.24"0.52"0.21"BSD141090822A53600000
    4 1/2"No. 35/16"0.375"0.24"0.52"0.21"BSD14590822A53700000
    6"No. 35/16"0.375"0.24"0.52"0.21"BSD14190822A5380000
     
    1/4" Screw Size
    1 3/4"No. 35/16"0.375"0.24"0.52"0.21"BSD141090822A6350000
    2 1/2"No. 35/16"0.375"0.24"0.52"0.21"BSD141090822A6700000
    3"No. 35/16"0.375"0.24"0.52"0.21"BSD141090822A69000000
    4"No. 35/16"0.375"0.24"0.52"0.21"BSD141090822A71000000
    5"No. 35/16"0.375"0.24"0.52"0.21"BSD14190822A7500000
     
    410 Molybdenum Stainless Steel
     
    No. 8 Screw Size
    1/2"No. 23/16"0.25"0.141"0.348"0.098"BSD185090106A10300000
    3/4"No. 23/16"0.25"0.141"0.348"0.098"BSD182590106A10500000
    1"No. 23/16"0.25"0.141"0.348"0.098"BSD182590106A10800000
    1 1/4"No. 23/16"0.25"0.141"0.348"0.098"BSD182590106A10900000
    1 1/2"No. 23/16"0.25"0.141"0.348"0.098"BSD181090106A1140000
     
    No. 10 Screw Size
    1/2"No. 213/64"0.313"0.151"0.414"0.106"BSD162590106A21100000
    3/4"No. 31/4"0.313"0.151"0.414"0.15"BSD162590106A21600000
    1"No. 31/4"0.313"0.151"0.414"0.15"BSD161090106A2190000
    1 1/4"No. 31/4"0.313"0.151"0.414"0.15"BSD161090106A2260000
    1 1/2"No. 31/4"0.313"0.151"0.414"0.15"BSD161090106A22900000
    2"No. 31/4"0.313"0.151"0.414"0.15"BSD161090106A23300000
     
    No. 12 Screw Size
    3/4"No. 39/32"0.313"0.194"0.432"0.187"BSD141090106A3170000
    1"No. 39/32"0.313"0.194"0.432"0.187"BSD141090106A3210000
    1 1/4"No. 39/32"0.313"0.194"0.432"0.187"BSD141090106A3250000
    1 1/2"No. 39/32"0.313"0.194"0.432"0.187"BSD141090106A32900000
    2"No. 39/32"0.313"0.194"0.432"0.187"BSD141090106A34600000
    2 1/2"No. 39/32"0.313"0.194"0.432"0.187"BSD141090106A35100000
     
    1/4" Screw Size
    3/4"No. 35/16"0.375"0.24"0.52"0.21"BSD141090106A54300000
    1"No. 35/16"0.375"0.24"0.52"0.21"BSD141090106A54600000
    1 1/4"No. 35/16"0.375"0.24"0.52"0.21"BSD141090106A54900000
    1 1/2"No. 35/16"0.375"0.24"0.52"0.21"BSD141090106A55600000
    2"No. 35/16"0.375"0.24"0.52"0.21"BSD14590106A5570000
    2 1/2"No. 35/16"0.375"0.221"0.52"0.21"BSD14590106A56200000
     
    410 Stainless Steel with White Painted Head
     
    No. 8 Screw Size
    1/2"No. 23/16"0.25"0.141"0.348"0.098"BSD185097899A40000000
    3/4"No. 23/16"0.25"0.141"0.348"0.098"BSD182597899A4200000
    1"No. 23/16"0.25"0.141"0.348"0.098"BSD182597899A44000000
     
    No. 10 Screw Size
    1/2"No. 213/64"0.313"0.151"0.414"0.106"BSD162597899A51000000
    1"No. 31/4"0.313"0.151"0.414"0.15"BSD162597899A53000000
    1 1/2"No. 31/4"0.313"0.151"0.414"0.15"BSD162597899A55000000
     
    No. 12 Screw Size
    1"No. 39/32"0.313"0.194"0.432"0.187"BSD141097899A61100000
    2"No. 39/32"0.313"0.194"0.432"0.187"BSD141097899A61300000
     
    1/4" Screw Size
    1"No. 35/16"0.375"0.24"0.52"0.21"BSD141097899A93000000
    1 1/2"No. 35/16"0.375"0.24"0.52"0.21"BSD141097899A95000000
     
    Corrosion-Resistant-Coated 18-8 Stainless Steel with Hardened Steel Tip
     
    No. 8 Screw Size
    1/2"No. 23/32"0.25"0.141"0.348"0.098"BSD182590420A3300000
    3/4"No. 23/32"0.25"0.141"0.348"0.098"BSD182590420A3500000
    1"No. 23/32"0.25"0.141"0.348"0.098"BSD182590420A3600000
    1 1/4"No. 23/32"0.25"0.141"0.348"0.098"BSD182590420A3700000
     
    No. 10 Screw Size
    3/4"No. 311/64"0.313"0.193"0.414"0.15"BSD162590420A4500000
    1"No. 37/32"0.313"0.193"0.414"0.15"BSD162590420A46000000
    1 1/4"No. 37/32"0.313"0.193"0.414"0.15"BSD161090420A4700000
     
    No. 12 Screw Size
    3/4"No. 33/16"0.313"0.194"0.432"0.187"BSD141090420A5800000
    1"No. 37/32"0.313"0.194"0.432"0.187"BSD141090420A5850000
    1 1/4"No. 45/16"0.313"0.198"0.432"0.21"CSD241090420A5950000
    1 1/2"No. 39/32"0.313"0.194"0.432"0.187"BSD141090420A5870000
    1 1/2"No. 535/64"0.313"0.198"0.432"1/2"CSD241090420A6100000
    2"No. 535/64"0.313"0.198"0.432"1/2"CSD241090420A61200000
     
    1/4" Screw Size
    1"No. 35/16"0.375"0.238"0.52"0.21"BSD141090420A6200000
     
    Galvanic-Barrier-Coated 18-8 Stainless Steel with Hardened Steel Tip
     
    No. 10 Screw Size
    3/4"No. 213/64"0.313"0.16"0.4"0.106"BSD161090420A4010000
    1"No. 27/32"0.313"0.157"0.4"0.11"BSD161097246A1160000
    1 1/2"No. 213/64"0.313"0.16"0.414"0.106"BSD161090420A4050000
    2"No. 27/32"0.313"0.163"0.432"0.177"BSD161097246A11700000
     
    No. 12 Screw Size
    1"No. 21/4"0.313"0.2"0.415"0.14"BSD141090420A5110000
    1 1/2"No. 21/4"0.313"0.2"0.415"0.14"BSD141090420A5200000
    2"No. 21/4"0.313"0.2"0.415"0.14"BSD141090420A52500000
    2 1/2"No. 39/32"0.313"0.2"0.415"0.187"BSD141090420A59000000
     
    1/4" Screw Size
    1"No. 25/16"0.375"1/4"1/2"0.155"BSD141090420A61400000
    1"No. 35/16"0.375"1/4"1/2"0.21"CSD201090420A65000000
    1 1/2"No. 25/16"0.375"1/4"1/2"0.155"BSD141090420A51600000
    1 1/2"No. 35/16"0.375"1/4"1/2"0.21"CSD201090420A65500000
    1 1/2"No. 519/32"0.375"0.247"1/2"1/2"CSD20597246A1110000
    2"No. 25/16"0.375"1/4"1/2"0.155"BSD141090420A51800000
    2"No. 35/16"0.375"0.237"0.52"0.21"CSD201090420A65900000
    2"No. 545/64"0.375"0.237"0.52"1/2"CSD201090420A68100000
    2 1/2"No. 35/16"0.375"1/4"1/2"0.21"CSD20590420A66200000
    3"No. 35/16"0.375"0.237"0.52"0.21"CSD20590420A66500000
    3"No. 519/32"0.375"0.247"1/2"1/2"CSD20597246A1120000
    4"No. 35/16"0.375"0.237"0.52"0.21"CSD20590420A66700000
    4"No. 519/32"0.375"0.247"1/2"1/2"CSD20597246A11300000
    5"No. 519/32"0.375"0.247"1/2"1/2"CSD20197246A1140000
    6"No. 519/32"0.375"0.247"1/2"1/2"CSD20197246A1150000
     

    Sealing Steel Flanged Hex Head Drilling Screws with Washer

    Image of Product. Front orientation. Tapping Screws. Sealing Steel Flanged Hex Head Drilling Screws with Washer.
    Image of Product. Back orientation. Tapping Screws. Sealing Steel Flanged Hex Head Drilling Screws with Washer.
    Drill, drive, and create a watertight seal all in one shot. The screws have rubber-bonded washer that compresses to keep out moisture. The washer also spreads the load to prevent crushing thin metal. Use a nutdriver or socket to turn the hex head.
    Length is measured from under the head.
    Zinc-Plated Steel—A common choice for areas with occasional exposure to moisture.
    Corrosion-Resistant-Coated Steel—The coating has been tested to extreme standards, including 1,000 hours of salt spray resistance, to hold up in wet and outdoor environments.
    Corrosion-Resistant-Coated Steel with 18-8 Stainless Steel Head—These screws have a steel shank and rust-resistant stainless steel head. The coating has been tested to extreme standards, including 1,000 hours of salt spray resistance, to hold up in wet and outdoor environments.
    Drill
    Tip
    Head
    Lg.
    Point
    Size
    Lg.
    Wd.
    Ht.
    Max. Drilling
    Thk.
    Tapping
    Screw Type
    Approx. Threads
    per In.
    Washer
    Material
    Washer
    OD
    Pkg.
    Qty.
    Pkg.
    Zinc-Plated Steel
     
    No. 8 Screw Size
    3/4"No. 23/16"0.25"0.242"0.098"BSD18Rubber/Steel0.5"5094059A20100000
    1"No. 20.148"0.25"0.248"0.098"BSD18Rubber/Steel0.5"2594059A2030000
    1 1/2"No. 29/64"0.25"0.242"0.098"BSD18Rubber/Steel0.5"2594059A2050000
     
    No. 10 Screw Size
    3/4"No. 31/4"0.313"0.252"0.15"BSD16Rubber/Steel0.5"10094059A24500000
    1"No. 31/4"0.313"0.279"0.176"BSD16Rubber/Steel0.5"10094059A24700000
    1 1/4"No. 37/32"0.313"0.252"0.15"BSD16Rubber/Steel0.5"5094059A24900000
     
    No. 12 Screw Size
    3/4"No. 39/32"0.313"0.295"0.187"BSD14Rubber/Steel0.563"10094059A29400000
    7/8"No. 40.325"0.313"0.303"0.21"CSD24Rubber/Steel0.563"5094059A26100000
    1"No. 39/32"0.313"0.295"0.187"BSD14Rubber/Steel0.563"10094059A29600000
    1 1/4"No. 30.254"0.313"0.303"0.187"BSD14Rubber/Steel0.563"5094059A29800000
    1 1/4"No. 40.325"0.313"0.303"0.21"CSD24Rubber/Steel0.563"1094059A26500000
    1 1/4"No. 545/64"0.313"0.295"1/2"CSD24Rubber/Steel0.563"5094059A31100000
    1 1/2"No. 521/32"0.313"0.295"1/2"CSD24Rubber/Steel0.563"2594059A31300000
    2"No. 30.254"0.313"0.303"0.187"BSD14Rubber/Steel0.563"5094059A30100000
    2"No. 521/32"0.313"0.295"1/2"CSD24Rubber/Steel0.563"2594059A31500000
    2 1/2"No. 30.254"0.313"0.303"0.187"BSD14Rubber/Steel0.563"2594059A30300000
    3"No. 31/4"0.313"0.295"0.187"BSD14Rubber/Steel0.563"1094059A30500000
     
    1/4" Screw Size
    3/4"No. 35/16"0.375"0.365"0.22"BSD14Rubber/Steel0.625"5094059A54100000
    1"No. 35/16"0.375"0.341"0.21"BSD14Rubber/Steel0.625"5094059A54200000
    1 1/2"No. 35/16"0.375"0.341"0.21"BSD14Rubber/Steel0.625"5094059A54600000
    2 1/2"No. 31/4"0.375"0.341"0.21"BSD14Rubber/Steel0.625"2594059A55200000
    3"No. 35/16"0.375"0.341"0.21"BSD14Rubber/Steel0.625"2594059A55100000
     
    Corrosion-Resistant-Coated Steel
     
    No. 10 Screw Size
    3/4"No. 31/4"0.313"0.305"0.15"BSD16Rubber/Steel0.5"5090628A28400000
    1"No. 23/16"0.313"0.265"0.106"BSD16Rubber/Steel0.5"2590628A28600000
    1 1/2"No. 31/4"0.313"0.252"0.15"BSD16Rubber/Steel0.5"5094059A25100000
    1 1/2"No. 419/64"0.313"0.265"0.175"BSD16Rubber/Steel0.5"5090628A28800000
    2"No. 37/32"0.313"0.28"0.15"BSD16Rubber/Steel0.5"2590628A29000000
     
    No. 12 Screw Size
    3/4"No. 39/32"0.313"0.255"0.21"BSD14Rubber/Steel0.563"5090628A2970000
    7/8"No. 49/32"0.313"0.285"0.21"CSD24Rubber/Steel0.563"5090628A32100000
    1"No. 21/2"0.313"0.34"0.14"BSD14Rubber/Steel0.563"2590628A29600000
    1 1/4"No. 21/2"0.313"0.38"0.14"BSD14Rubber/Steel0.563"5090628A29800000
    1 1/4"No. 4.51/2"0.313"0.285"3/8"CSD24Rubber/Steel0.563"2590628A32300000
    1 1/4"No. 545/64"0.313"0.285"1/2"CSD24Rubber/Steel0.563"2590628A33100000
    1 1/2"No. 21/2"0.313"0.38"0.14"BSD14Rubber/Steel0.563"2590628A30100000
    1 1/2"No. 39/32"0.313"0.295"0.187"BSD14Rubber/Steel0.563"5094059A29900000
    1 1/2"No. 4.50.426"0.313"0.303"3/8"CSD24Rubber/Steel0.563"1090628A32600000
    1 1/2"No. 545/64"0.313"0.285"1/2"CSD24Rubber/Steel0.563"1090628A33300000
    2"No. 21/2"0.313"0.34"0.14"BSD14Rubber/Steel0.563"1090628A3030000
    2"No. 545/64"0.313"0.285"1/2"CSD24Rubber/Steel0.563"1090628A33500000
    2 1/2"No. 31/4"0.313"0.34"0.187"BSD14Rubber/Steel0.563"2590628A30500000
    3"No. 39/32"0.313"0.273"0.187"BSD14Rubber/Steel0.563"1090628A30700000
    3"No. 521/32"0.313"0.305"1/2"CSD24Rubber/Steel0.563"1090628A34000000
    4"No. 39/32"0.313"0.255"0.21"BSD14Rubber/Steel0.563"1090628A3110000
     
    1/4" Screw Size
    7/8"No. 15/16"0.375"0.341"0.048"BSD14Rubber/Steel0.625"1094059A6150000
    7/8"No. 15/16"0.375"0.38"0.048"BSD14Rubber/Steel0.563"2590628A54100000
    1"No. 35/16"0.375"0.405"0.21"BSD14Rubber/Steel0.563"2590628A54200000
    1 1/2"No. 35/16"0.375"0.405"0.21"BSD14Rubber/Steel0.563"2590628A54600000
    2"No. 35/16"0.375"0.323"0.21"BSD14Rubber/Steel0.563"2590628A64500000
    3"No. 35/16"0.375"0.36"0.21"BSD14Rubber/Steel0.625"1090628A64700000
    4"No. 35/16"0.375"0.36"0.21"BSD14Rubber/Steel0.625"1090628A65200000
     
    Corrosion-Resistant-Coated Steel with 18-8 Stainless Steel Head
     
    No. 12 Screw Size
    1"No. 21/2"0.313"0.35"0.14"BSD14Rubber/Steel0.438"2595135A21000000
    1 1/4"No. 21/2"0.313"0.35"0.14"BSD14Rubber/Steel0.438"2595135A21500000
    1 1/2"No. 21/2"0.313"0.35"0.14"BSD14Rubber/Steel0.438"2595135A22000000
    2"No. 545/64"0.313"0.35"0.5"CSD24Rubber/Steel0.438"1095135A53000000
     
    1/4" Screw Size
    7/8"No. 15/16"0.313"0.35"0.048"BSD14Rubber/Steel0.438"2595135A61500000
    1 1/8"No. 15/16"0.313"0.35"0.048"BSD14Rubber/Steel0.438"2595135A62500000
     

    Steel Flanged Slotted Hex Head Drilling Screws

    Image of Product. Front orientation. Tapping Screws. Steel Flanged Slotted Hex Head Drilling Screws.
    Drill and fasten in one step with a nutdriver or socket, then use a slotted screwdriver to make adjustments. The flanged head spreads the load to prevent crushing thin metal.
    Zinc-Plated Steel—A common choice for areas with occasional exposure to moisture.
    Drill
    Tip
    Head
    Lg.
    Point
    Size
    Lg.
    Wd.
    Ht.
    Flange
    Dia.
    Max. Drilling
    Thk.
    Tapping
    Screw Type
    Approx. Threads
    per In.
    Pkg.
    Qty.
    Pkg.
    Zinc-Plated Steel
     
    No. 4 Screw Size
    3/8"No. 29/64"0.188"0.079"0.243"0.080"BSD2410094056A10100000
     
    No. 6 Screw Size
    3/8"No. 29/64"0.25"0.118"0.328"0.090"BSD2010094056A10200000
    1/2"No. 29/64"0.25"0.118"0.328"0.090"BSD2010094056A10300000
    5/8"No. 29/64"0.25"0.118"0.328"0.090"BSD2010094056A10400000
    3/4"No. 29/64"0.25"0.118"0.328"0.090"BSD2010094056A10500000
    1"No. 29/64"0.25"0.118"0.328"0.090"BSD2010094056A10600000
     
    No. 8 Screw Size
    1/2"No. 23/16"0.25"0.141"0.348"0.098"BSD1810094056A33000000
    5/8"No. 23/16"0.25"0.141"0.348"0.098"BSD1810094056A19600000
    3/4"No. 23/16"0.25"0.141"0.348"0.098"BSD1810094056A35000000
    1"No. 23/16"0.25"0.141"0.348"0.098"BSD1810094056A36000000
    1 1/4"No. 23/16"0.25"0.141"0.348"0.098"BSD185094056A10700000
    1 1/2"No. 23/16"0.25"0.141"0.348"0.098"BSD182594056A1080000
    2"No. 23/16"0.25"0.141"0.348"0.098"BSD182594056A1090000
     
    No. 10 Screw Size
    3/8"No. 213/64"0.313"0.151"0.414"0.110"BSD165094056A1120000
    1/2"No. 213/64"0.313"0.151"0.414"0.110"BSD165094056A1130000
    5/8"No. 213/64"0.313"0.151"0.414"0.110"BSD165094056A1140000
    3/4"No. 31/4"0.313"0.151"0.414"0.150"BSD1610094056A38000000
    1"No. 31/4"0.313"0.151"0.414"0.175"BSD162594056A1150000
    1 1/2"No. 31/4"0.313"0.151"0.414"0.175"BSD162594056A1160000
    1 3/4"No. 31/4"0.313"0.151"0.414"0.175"BSD162594056A1170000
    2"No. 31/4"0.313"0.151"0.414"0.175"BSD162594056A1180000
    3"No. 31/4"0.313"0.151"0.414"0.175"BSD161094056A1190000
     
    No. 12 Screw Size
    3/4"No. 39/32"0.313"0.194"0.432"0.210"BSD142594056A1210000
    1"No. 39/32"0.313"0.194"0.432"0.210"BSD142594056A1220000
    2"No. 39/32"0.313"0.194"0.432"0.210"BSD141094056A1230000
     
    1/4" Screw Size
    1/2"No. 35/16"0.375"0.24"0.520"0.220"BSD141094056A1240000
    3/4"No. 35/16"0.375"0.24"0.520"0.220"BSD142594056A12500000
    1"No. 35/16"0.375"0.24"0.520"0.220"BSD142594056A12600000
    1 1/4"No. 35/16"0.375"0.24"0.520"0.220"BSD141094056A1270000
    2"No. 35/16"0.375"0.24"0.520"0.220"BSD141094056A1280000
    2 1/2"No. 35/16"0.375"0.24"0.520"0.220"BSD141094056A1290000
     
    5/16" Screw Size
    3/4"No. 325/64"0.5"0.29"0.676"0.220"BSD121094056A13200000
    1"No. 325/64"0.5"0.29"0.676"0.220"BSD12594056A1330000
    1 1/4"No. 325/64"0.5"0.29"0.676"0.220"BSD12594056A1340000
    1 1/2"No. 325/64"0.5"0.29"0.676"0.220"BSD12594056A1350000
    2"No. 325/64"0.5"0.29"0.676"0.220"BSD12594056A1360000
    3"No. 325/64"0.5"0.29"0.676"0.220"BSD12594056A13700000
     

    Stainless Steel Flanged Hex Head Drilling Screws for Aluminum

    Image of Product. Front orientation. Tapping Screws. Stainless Steel Flanged Hex Head Drilling Screws for Aluminum .
    In a single step, these corrosion-resistant screws drill and fasten aluminum to aluminum or metal framing. The coating on these stainless steel screws blocks galvanic corrosion between the screw and aluminum that can weaken joints. The hex head gives you a firm, high-torque grip with a nutdriver or socket. Screws have a flange under the head that spreads the load to prevent crushing thin metal.
    Length is measured from the flange. Head height includes the flange.
    Drill
    Tip
    Head
    Lg.
    Point
    Size
    Lg.
    Wd.
    Ht.
    Flange
    Dia.
    Max. Drilling
    Thk.
    Tapping
    Screw Type
    Approx. Threads
    per In.
    Pkg.
    Qty.
    Pkg.
    Galvanic-Barrier-Coated 18-8 Stainless Steel
     
    No. 8 Screw Size
    1/2"No. 23/16"0.25"0.141"0.348"0.098"BSD182590821A330000000
    3/4"No. 23/16"0.25"0.141"0.348"0.098"BSD182590821A35000000
     
    No. 10 Screw Size
    3/4"No. 31/4"0.313"0.151"0.414"0.15"BSD162590821A35700000
    1"No. 31/4"0.313"0.151"0.414"0.15"BSD162590821A35900000
     
    No. 12 Screw Size
    3/4"No. 39/32"0.313"0.194"0.432"0.187"BSD142590821A37400000
    1"No. 39/32"0.313"0.194"0.432"0.187"BSD142590821A37700000
    1 1/4"No. 39/32"0.313"0.194"0.432"0.187"BSD141090821A38000000
    1 1/2"No. 39/32"0.313"0.194"0.432"0.187"BSD142590821A39000000
    2"No. 39/32"0.313"0.194"0.432"0.187"BSD14590821A4200000
    2 1/2"No. 39/32"0.313"0.194"0.432"0.187"BSD14590821A4600000
    3"No. 39/32"0.313"0.194"0.432"0.187"BSD14590821A51000000
     
    1/4" Screw Size
    3/4"No. 35/16"0.375"0.24"0.52"0.21"BSD142590821A55000000
    1"No. 35/16"0.375"0.24"0.52"0.21"BSD142590821A55300000
    1"No. 45/16"0.375"0.24"0.52"0.236"CSD201090821A61000000
    1 1/2"No. 35/16"0.375"0.24"0.52"0.21"BSD141090821A55900000
    1 1/2"No. 45/16"0.375"0.24"0.52"0.236"CSD201090821A61300000
     

    Sealing Stainless Steel Flanged Hex Head Drilling Screws with Washer

    Image of Product. Front orientation. Tapping Screws. Sealing Stainless Steel Flanged Hex Head Drilling Screws with Washer.
    These corrosion-resistant screws drill, drive, and create a watertight seal all in one shot. The rubber-bonded washer compresses to keep out moisture and spreads the load to prevent crushing thin metal. Use a nutdriver or socket to turn the hex head.
    Length is measured from under the head.
    Zinc-Plated 410 Stainless Steel—With a layer of zinc for added corrosion resistance, these screws are tougher and more wear resistant than other stainless steel screws.
    Drill
    Tip
    Head
    Lg.
    Point
    Size
    Lg.
    Wd.
    Ht.
    Max. Drilling
    Thk.
    Tapping
    Screw Type
    Approx. Threads
    per In.
    Washer Material
    Washer
    OD
    Pkg.
    Qty.
    Pkg.
    Zinc-Plated 410 Stainless Steel
     
    No. 8 Screw Size
    1/2"No. 23/16"0.25"0.211"0.098"BSD18Rubber/Stainless Steel
    0.5"2594058A105000000
    3/4"No. 23/16"0.25"0.211"0.098"BSD18Rubber/Stainless Steel
    0.5"2594058A11000000
    1"No. 23/16"0.25"0.29"0.098"BSD18Rubber/Stainless Steel
    0.5"2594058A1110000
    1 1/4"No. 23/16"0.25"0.29"0.098"BSD18Rubber/Stainless Steel
    0.5"2594058A11200000
     
    No. 10 Screw Size
    5/8"No. 31/4"0.313"0.221"0.15"BSD16Rubber/Stainless Steel
    0.5"2594058A11700000
    3/4"No. 31/4"0.313"0.221"0.15"BSD16Rubber/Stainless Steel
    0.5"2594058A12000000
    1"No. 31/4"0.313"0.221"0.15"BSD16Rubber/Stainless Steel
    0.5"2594058A12500000
    1 1/4"No. 31/4"0.313"0.3"0.15"BSD16Rubber/Stainless Steel
    0.5"2594058A1270000
    1 1/2"No. 31/4"0.313"0.3"0.15"BSD16Rubber/Stainless Steel
    0.5"2594058A12900000
    2"No. 31/4"0.313"0.3"0.15"BSD16Rubber/Stainless Steel
    0.5"2594058A13100000
     
    No. 12 Screw Size
    3/4"No. 39/32"0.313"0.256"0.187"BSD14Rubber/Stainless Steel
    0.563"2594058A29400000
    1"No. 39/32"0.313"0.256"0.187"BSD14Rubber/Stainless Steel
    0.563"2594058A29600000
    1 1/4"No. 39/32"0.313"0.256"0.187"BSD14Rubber/Stainless Steel
    0.563"1094058A2970000
    1 1/4"No. 49/32"0.313"0.32"0.21"CSD24Rubber/Stainless Steel
    0.563"1094058A2990000
    1 1/4"No. 545/64"0.313"0.256"1/2"CSD24Rubber/Stainless Steel
    0.563"1094058A30100000
    1 1/2"No. 39/32"0.313"0.256"0.187"BSD14Rubber/Stainless Steel
    0.563"1094058A2980000
    2"No. 39/32"0.313"0.32"0.187"BSD14Rubber/Stainless Steel
    0.563"1094058A3110000
    2"No. 545/64"0.313"0.32"1/2"CSD24Rubber/Stainless Steel
    0.563"594058A3210000
    2 1/2"No. 39/32"0.313"0.32"0.187"BSD14Rubber/Stainless Steel
    0.563"1094058A3150000
    3"No. 39/32"0.313"0.32"0.187"BSD14Rubber/Stainless Steel
    0.563"1094058A31900000
     
    1/4" Screw Size
    3/4"No. 35/16"0.375"0.291"0.21"BSD14Rubber/Stainless Steel
    0.625"1094058A5400000
    7/8"No. 15/16"0.313"0.291"0.048"BSD14Rubber/Stainless Steel
    0.625"1094058A54100000
    1"No. 35/16"0.375"0.291"0.21"BSD14Rubber/Stainless Steel
    0.625"1094058A5420000
    1 1/4"No. 35/16"0.375"0.291"0.21"BSD14Rubber/Stainless Steel
    0.625"1094058A5430000
    1 1/2"No. 35/16"0.375"0.291"0.21"BSD14Rubber/Stainless Steel
    0.625"1094058A54400000
    2"No. 35/16"0.375"0.291"0.21"BSD14Rubber/Stainless Steel
    0.625"1094058A54800000
    2 1/2"No. 35/16"0.375"0.291"0.21"BSD14Rubber/Stainless Steel
    0.625"1094058A55000000
    3"No. 35/16"0.375"0.291"0.21"BSD14Rubber/Stainless Steel
    0.625"1094058A55500000
    4"No. 35/16"0.375"0.355"0.21"BSD14Rubber/Stainless Steel
    0.625"594058A5590000
     

    Steel Serrated-Flange Hex Head Drilling Screws

    Image of Product. Front orientation. Tapping Screws. Steel Serrated-Flange Hex Head Drilling Screws.
    Image of Product. Back orientation. Tapping Screws. Steel Serrated-Flange Hex Head Drilling Screws.
    Serrations on the flange grip material for a tighter, more vibration-resistant hold than other drilling screws. The flange also spreads the load to prevent crushing thin metal. Turn the hex head with a nutdriver or socket to drill and fasten in one step.
    Zinc-Plated Steel—A common choice for areas with occasional exposure to moisture.
    Corrosion-Resistant-Coated Steel—The coating has been tested to extreme standards, including 1,000 hours of salt spray resistance, to hold up in wet and outdoor environments.
    Drill
    Tip
    Head
    Lg.
    Point
    Size
    Lg.
    Wd.
    Ht.
    Flange
    Dia.
    Max. Drilling
    Thk.
    Tapping
    Screw Type
    Approx. Threads
    per In.
    Pkg.
    Qty.
    Pkg.
    Zinc-Plated Steel
     
    No. 8 Screw Size
    1/2"No. 23/16"0.25"0.195"0.375"0.098"BSD1810092685A21000000
    9/16"No. 29/64"0.25"0.15"0.348"0.098"BSD182592685A30000000
    3/4"No. 23/16"0.25"0.195"0.375"0.098"BSD1810092685A2200000
    1"No. 23/16"0.25"0.195"0.375"0.098"BSD1810092685A2300000
     
    No. 10 Screw Size
    3/4"No. 31/4"0.313"0.229"0.465"0.15"BSD1610092685A33000000
    1"No. 31/4"0.313"0.229"0.465"0.15"BSD1610092685A34000000
     
    No. 12 Screw Size
    3/4"No. 39/32"0.313"0.26"0.52"0.187"BSD145092685A4200000
    1"No. 39/32"0.313"0.26"0.52"0.187"BSD145092685A4300000
     
    1/4" Screw Size
    3/4"No. 35/16"0.375"0.3"0.595"0.21"BSD145092685A52000000
    1"No. 35/16"0.375"0.3"0.595"0.21"BSD145092685A53000000
    1 1/4"No. 35/16"0.375"0.3"0.595"0.21"BSD145092685A53500000
     
    Corrosion-Resistant-Coated Steel
     
    1/4" Screw Size
    3/4"No. 313/32"0.438"0.23"0.575"0.21"BSD145092685A60000000
    1"No. 35/16"0.438"0.23"0.61"0.21"BSD145092685A61000000
     

    Aluminum Serrated-Flange Hex Head Drilling Screws for Aluminum

    Image of Product. Front orientation. Tapping Screws. Aluminum Serrated-Flange Hex Head Drilling Screws for Aluminum.
    Image of Product. Back orientation. Tapping Screws. Aluminum Serrated-Flange Hex Head Drilling Screws for Aluminum.
    Fasten lightweight aluminum components without worrying about galvanic corrosion. They’re also corrosion resistant and nonmagnetic. A serrated flange spreads the load to prevent crushing material and grips surfaces to resist mild vibration. The hex head gives you a firm, high-torque grip with a nutdriver or socket.
    Length is measured from the flange. Head height includes the flange.
    Drill
    Tip
    Head
    Lg.
    Point
    Size
    Lg.
    Wd.
    Ht.
    Flange
    Dia.
    Max. Drilling
    Thk.
    Tapping
    Screw Type
    Approx. Threads
    per In.
    Pkg.
    Qty.
    Pkg.
    Lightweight 7075 Aluminum
     
    No. 8 Screw Size
    1/2"No. 23/16"0.25"0.141"0.348"0.098"BSD181098248A220000000
    3/4"No. 23/16"0.25"0.141"0.348"0.098"BSD181098248A25000000
    1"No. 23/16"0.25"0.141"0.348"0.098"BSD181098248A27000000
     
    No. 10 Screw Size
    1/2"No. 213/64"0.313"0.151"0.414"0.106"BSD161098248A43000000
    3/4"No. 213/64"0.313"0.151"0.414"0.106"BSD161098248A47000000
    1"No. 213/64"0.313"0.151"0.414"0.106"BSD161098248A49000000
     

    Stainless Steel Flanged Hex Head Drilling Screws

    Image of Product. Front orientation. Tapping Screws. Stainless Steel Flanged Hex Head Drilling Screws.
    Corrosion-resistant screws in a range of sizes for drilling and fastening in one step. They have a hex head for a firm, high-torque grip with a nutdriver or socket. The flange under the head spreads the load to prevent crushing thin metal.
    Length is measured from under the head.
    410 Stainless Steel—Tougher and more wear resistant than other stainless steel screws but less corrosion resistant.
    No. of
    Pieces
    Drilling Screws Included
    Container
    Type
    Each
    410 Stainless Steel
    5251/4" in 3/4" Lg., 1" Lg., and 1 1/2" Lg. (75 Pieces)
    No. 8 in 1/2" Lg., 3/4" Lg., and 1" Lg. (150 Pieces)
    No. 10 in 1/2" Lg., 5/8" Lg., 3/4" Lg., and 1" Lg. (200 Pieces)
    No. 12 in 3/4" Lg. and 1" Lg. (100 Pieces)
    Metal Box91690A6000000000
     

    Steel Torx Serrated-Flange Hex Head Drilling Screws

    Image of Product. Front orientation. Tapping Screws. Steel Torx Serrated-Flange Hex Head Drilling Screws.
    Two ways to install—use a Torx driver in the recess or grip the hex head with a nutdriver for more torque. These screws drill and fasten in one step. The serrated flange grips surfaces to resist mild vibration and spreads the load to prevent crushing thin metal.
    Zinc-Plated Steel—A common choice for areas with occasional exposure to moisture.
    Drill
    Tip
    Head
    Lg.
    Point
    Size
    Lg.
    Wd.
    Ht.
    Flange
    Dia.
    Max. Drilling
    Thk.
    Tapping
    Screw Type
    Drive
    Size
    Approx. Threads
    per In.
    Pkg.
    Qty.
    Pkg.
    Zinc-Plated Steel
     
    No. 8 Screw Size
    1/2"No. 23/16"0.25"0.197"0.37"0.098"BSDT20185094425A510000000
    3/4"No. 23/16"0.25"0.197"0.37"0.098"BSDT20182594425A5300000
     
    No. 10 Screw Size
    3/4"No. 31/4"0.313"0.216"0.445"0.15"BSDT25165094425A6400000
    1"No. 31/4"0.313"0.216"0.445"0.15"BSDT25162594425A6600000
     
    No. 12 Screw Size
    3/4"No. 39/32"0.313"0.261"0.445"0.187"BSDT27145094425A77000000
    1"No. 39/32"0.313"0.261"0.445"0.187"BSDT27142594425A79000000
     
    1/4" Screw Size
    3/4"No. 35/16"0.375"0.303"0.55"0.21"BSDT30142594425A81000000
    1"No. 35/16"0.375"0.303"0.55"0.21"BSDT30142594425A83000000
     

    Steel Flanged Hex Head Drilling Screw Assortments

    Image of Product. Front orientation. Tapping Screws. Steel Flanged Hex Head Drilling Screw Assortments.
    A variety of screws that save time and effort by drilling and fastening in a single step. They have a hex head for a firm, high-torque grip with a nutdriver or socket. The flange under the head spreads the load to prevent crushing thin metal.
    Length is measured from under the head.
    Zinc-Plated Steel—A common choice for areas with occasional exposure to moisture.
    Corrosion-Resistant-Coated Steel—The coating has been tested to extreme standards, including 1,000 hours of salt spray resistance, to hold up in wet and outdoor environments.
    No. of
    Pieces
    Drilling Screws Included
    Container
    Type
    Each
    Zinc-Plated Steel
    5251/4" in 3/4" Lg., 1" Lg., and 1 1/2" Lg. (75 Pieces)
    No. 8 in 1/2" Lg., 3/4" Lg., and 1" Lg. (150 Pieces)
    No. 10 in 1/2" Lg., 5/8" Lg., 3/4" Lg., and 1" Lg. (200 Pieces)
    No. 12 in 3/4" Lg. and 1" Lg. (100 Pieces)
    Metal Box90430A1120000000
     
    Corrosion-Resistant-Coated Steel
    5251/4" in 3/4" Lg., 1" Lg., and 1 1/2" Lg. (75 Pieces)
    No. 8 in 1/2" Lg., 3/4" Lg., and 1" Lg. (150 Pieces)
    No. 10 in 1/2" Lg., 5/8" Lg., 3/4" Lg., and 1" Lg. (200 Pieces)
    No. 12 in 3/4" Lg. and 1" Lg. (100 Pieces)
    Metal Box90960A412000000
     
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