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    37 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 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
     
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