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    5,246 Products
    About Tapping Screws
    industrial info icon

    Compare drilling, pointed, thread-forming, and thread-cutting tips to find the best choice for your material.

    Stainless Steel Phillips Rounded Head Screws for Sheet Metal

    Image of Product. Front orientation. Tapping Screws. Stainless Steel Phillips Rounded Head Screws for Sheet Metal.
    Our most popular sheet metal screws also resist rust. Their pointed tip starts a hole in sheets up to 0.025" thick, but for thicker material you’ll need to drill first. The Phillips drive handles enough torque to keep drivers from slipping and the rounded head creates a finished look.
    Length is measured from under the head.
    410 Stainless Steel—Tougher and more wear resistant than other stainless steel screws but less corrosion resistant.
    18-8 Stainless Steel—The choice for wet and outdoor environments, these screws resist rust. However, they won't hold up to the harsh chemicals that 316 stainless steel can.
    Black-Oxide 18-8 Stainless Steel—Typically chosen for their appearance, these screws have a dark, matte coating for a finished look. They resist rust in wet and outdoor environments but won't hold up to the harsh chemicals that 316 stainless steel can.
    Highly Corrosion-Resistant 316 Stainless Steel—Superior to 18-8 stainless steel, these screws withstand harsh weather, salt water, and most chemicals.
    Head
    Lg.
    Dia.
    Ht.
    Tapping
    Screw Type
    Drive
    Size
    Approx. Threads
    per In.
    Drill Bit
    Size
    Specs.
    Met
    Pkg.
    Qty.
    Pkg.
    410 Stainless Steel
     
    No. 6 Screw Size
    1/4"0.27"0.097"ABNo. 21832 Ga.
    10096832A15500000
    3/8"0.27"0.097"ANo. 21832 Ga.
    10096832A1600000
    1/2"0.27"0.097"ANo. 21832 Ga.
    10096832A1650000
    5/8"0.27"0.097"ANo. 21832 Ga.
    10096832A1700000
    3/4"0.27"0.097"ANo. 21832 Ga.
    10096832A1750000
    1"0.27"0.097"ANo. 21832 Ga.
    10096832A1800000
    1 1/4"0.27"0.097"ANo. 21832 Ga.
    5096832A1850000
    1 1/2"0.27"0.097"ANo. 21832 Ga.
    5096832A1900000
     
    No. 8 Screw Size
    3/8"0.322"0.115"ABNo. 21529 Ga.
    10096832A2100000
    1/2"0.322"0.115"ANo. 21529 Ga.
    10096832A2150000
    5/8"0.322"0.115"ANo. 21529 Ga.
    10096832A2200000
    3/4"0.322"0.115"ANo. 21529 Ga.
    10096832A22500000
    1"0.322"0.115"ANo. 21529 Ga.
    10096832A23000000
    1 1/4"0.322"0.115"ANo. 21529 Ga.
    10096832A23500000
    1 1/2"0.322"0.115"ANo. 21529 Ga.
    5096832A2400000
     
    No. 10 Screw Size
    1/2"0.373"0.133"ANo. 21221 Ga.
    5096832A3100000
    3/4"0.373"0.133"ANo. 21221 Ga.
    5096832A3150000
    1"0.373"0.133"ANo. 21221 Ga.
    5096832A32000000
    1 1/4"0.373"0.133"ANo. 21221 Ga.
    5096832A32500000
    1 1/2"0.373"0.133"ANo. 21221 Ga.
    5096832A33000000
     
    18-8 Stainless Steel
     
    No. 0 Screw Size
    1/8"0.116"0.044"ABNo. 05255 Ga.
    5092470A01500000
    3/16"0.116"0.044"ABNo. 05255 Ga.
    5092470A0180000
    1/4"0.116"0.044"ABNo. 05255 Ga.
    1092470A0220000
    5/16"0.116"0.044"ABNo. 05255 Ga.
    5092470A0240000
    3/8"0.116"0.044"ABNo. 05255 Ga.
    1092470A0260000
    7/16"0.116"0.044"ABNo. 05255 Ga.
    5092470A0280000
    1/2"0.116"0.044"ABNo. 05255 Ga.
    1092470A0310000
    5/8"0.116"0.044"ABNo. 05255 Ga.
    5092470A04100000
    3/4"0.116"0.044"ABNo. 05255 Ga.
    5092470A04500000
     
    No. 1 Screw Size
    1/8"0.142"0.053"ABNo. 04852 Ga.
    5092470A0480000
    3/16"0.142"0.053"ABNo. 04852 Ga.
    5092470A0490000
    1/4"0.142"0.053"ABNo. 04852 Ga.
    1092470A0500000
    5/16"0.142"0.053"ABNo. 04852 Ga.
    5092470A0550000
    3/8"0.142"0.053"ABNo. 04852 Ga.
    1092470A0540000
    7/16"0.142"0.053"ABNo. 04852 Ga.
    5092470A0560000
    1/2"0.142"0.053"ABNo. 04852 Ga.
    1092470A0570000
    5/8"0.142"0.053"ABNo. 04852 Ga.
    5092470A0610000
    3/4"0.142"0.053"ABNo. 04852 Ga.
    5092470A06500000
     
    No. 2 Screw Size
    1/8"0.167"0.062"ABNo. 13248 Ga.
    5092470A0890000
    3/16"0.167"0.062"ANo. 13248 Ga.
    5092470A0910000
    1/4"0.167"0.062"ANo. 13248 Ga.
    10092470A0950000
    5/16"0.167"0.062"ANo. 13248 Ga.
    10092470A0990000
    3/8"0.167"0.062"ANo. 13248 Ga.
    10092470A0970000
    7/16"0.167"0.062"ANo. 13248 Ga.
    10092470A1020000
    1/2"0.167"0.062"ANo. 13248 Ga.
    10092470A0980000
    5/8"0.167"0.062"ANo. 13248 Ga.
    10092470A1010000
    3/4"0.167"0.062"ANo. 13248 Ga.
    10092470A1030000
     
    No. 4 Screw Size
    3/16"0.219"0.08"ANo. 12444 Ga.
    10092470A1060000
    1/4"0.219"0.08"ANo. 12444 Ga.
    10092470A1070000
    5/16"0.219"0.08"ANo. 12444 Ga.
    10092470A1090000
    3/8"0.219"0.08"ANo. 12444 Ga.
    10092470A1080000
    7/16"0.219"0.08"ANo. 12444 Ga.
    10092470A1110000
    1/2"0.219"0.08"ANo. 12444 Ga.
    10092470A1100000
    5/8"0.219"0.08"ANo. 12444 Ga.
    10092470A1120000
    3/4"0.219"0.08"ANo. 12444 Ga.
    10092470A1130000
    1"0.219"0.08"ANo. 12444 Ga.
    10092470A1150000
    1 1/4"0.219"0.08"ANo. 12444 Ga.
    10092470A3880000
    1 1/2"0.219"0.08"ANo. 12444 Ga.
    5092470A1170000
     
    No. 5 Screw Size
    1/4"0.245"0.089"ANo. 12236 Ga.
    10092470A1190000
    5/16"0.245"0.089"ANo. 12236 Ga.
    10092470A1220000
    3/8"0.245"0.089"ANo. 12236 Ga.
    10092470A1250000
    1/2"0.245"0.089"ANo. 12236 Ga.
    5092470A1210000
    5/8"0.245"0.089"ANo. 12236 Ga.
    10092470A1280000
    3/4"0.245"0.089"ANo. 12236 Ga.
    5092470A1230000
     
    No. 6 Screw Size
    3/16"0.27"0.097"ANo. 21832 Ga.
    5092470A13700000
    1/4"0.27"0.097"ANo. 21832 Ga.
    10092470A1440000
    5/16"0.27"0.097"ANo. 21832 Ga.
    10092470A1450000
    3/8"0.27"0.097"ANo. 21832 Ga.
    10092470A1460000
    7/16"0.27"0.097"ANo. 21832 Ga.
    10092470A1470000
    1/2"0.27"0.097"ANo. 21832 Ga.
    10092470A1480000
    5/8"0.27"0.097"ANo. 21832 Ga.
    10092470A1500000
    3/4"0.27"0.097"ANo. 21832 Ga.
    10092470A1510000
    7/8"0.27"0.097"ANo. 21832 Ga.
    10092470A15200000
    1"0.27"0.097"ANo. 21832 Ga.
    10092470A1530000
    1 1/8"0.27"0.097"ANo. 21832 Ga.
    10092470A38900000
    1 1/4"0.27"0.097"ANo. 21832 Ga.
    10092470A15500000
    1 1/2"0.27"0.097"ANo. 21832 Ga.
    10092470A15700000
    1 3/4"0.27"0.097"ANo. 21832 Ga.
    10092470A15800000
    2"0.27"0.097"ANo. 21832 Ga.
    5092470A1590000
    2 1/2"0.27"0.097"ANo. 21832 Ga.
    5092470A16200000
     
    No. 7 Screw Size
    3/8"0.296"0.106"ANo. 21630 Ga.
    10092470A1680000
    1/2"0.296"0.106"ANo. 21630 Ga.
    10092470A1700000
    3/4"0.296"0.106"ANo. 21630 Ga.
    10092470A1730000
    1"0.296"0.106"ANo. 21630 Ga.
    10092470A17500000
    1 1/4"0.296"0.106"ANo. 21630 Ga.
    10092470A39100000
     
    No. 8 Screw Size
    1/4"0.322"0.115"ABNo. 21529 Ga.
    10092470A1900000
    3/8"0.322"0.115"ABNo. 21529 Ga.
    10092470A1920000
    1/2"0.322"0.115"ANo. 21529 Ga.
    10092470A1940000
    5/8"0.322"0.115"ANo. 21529 Ga.
    10092470A1960000
    3/4"0.322"0.115"ANo. 21529 Ga.
    10092470A1970000
    7/8"0.322"0.115"ANo. 21529 Ga.
    10092470A19800000
    1"0.322"0.115"ANo. 21529 Ga.
    10092470A19900000
    1 1/4"0.322"0.115"ANo. 21529 Ga.
    10092470A20100000
    1 1/2"0.322"0.115"ANo. 21529 Ga.
    10092470A20300000
    1 3/4"0.322"0.115"ANo. 21529 Ga.
    5092470A2040000
    2"0.322"0.115"ANo. 21529 Ga.
    10092470A20500000
    2 1/2"0.322"0.115"ANo. 21529 Ga.
    5092470A20700000
    2 3/4"0.322"0.115"ANo. 21529 Ga.
    2592470A3920000
    3"0.322"0.115"ANo. 21529 Ga.
    5092470A20900000
    3 1/2"0.322"0.115"ANo. 21529 Ga.
    2592470A3930000
     
    No. 10 Screw Size
    1/4"0.373"0.133"ABNo. 21221 Ga.
    10092470A2390000
    3/8"0.373"0.133"ABNo. 21221 Ga.
    10092470A2400000
    7/16"0.373"0.133"ANo. 21221 Ga.
    10092470A39400000
    1/2"0.373"0.133"ANo. 21221 Ga.
    10092470A24200000
    5/8"0.373"0.133"ANo. 21221 Ga.
    10092470A24400000
    3/4"0.373"0.133"ANo. 21221 Ga.
    10092470A24500000
    7/8"0.373"0.133"ANo. 21221 Ga.
    5092470A24600000
    1"0.373"0.133"ANo. 21221 Ga.
    5092470A24700000
    1 1/4"0.373"0.133"ANo. 21221 Ga.
    5092470A24900000
    1 1/2"0.373"0.133"ANo. 21221 Ga.
    5092470A25100000
    1 3/4"0.373"0.133"ANo. 21221 Ga.
    5092470A25200000
    2"0.373"0.133"ANo. 21221 Ga.
    5092470A25300000
    2 1/4"0.373"0.133"ANo. 21221 Ga.
    5092470A25400000
    2 1/2"0.373"0.133"ANo. 21221 Ga.
    5092470A25500000
    2 3/4"0.373"0.133"ANo. 21221 Ga.
    2592470A3950000
    3"0.373"0.133"ANo. 21221 Ga.
    5092470A25700000
    3 1/2"0.373"0.133"ANo. 21221 Ga.
    2592470A2590000
    4"0.373"0.133"ANo. 21221 Ga.
    2592470A26200000
     
    No. 12 Screw Size
    3/8"0.425"0.151"ABNo. 3113/16"
    10092470A28900000
    1/2"0.425"0.151"ANo. 3113/16"
    10092470A29100000
    5/8"0.425"0.151"ANo. 3113/16"
    5092470A2930000
    3/4"0.425"0.151"ANo. 3113/16"
    10092470A29400000
    1"0.425"0.151"ANo. 3113/16"
    5092470A29600000
    1 1/4"0.425"0.151"ANo. 3113/16"
    5092470A29800000
    1 1/2"0.425"0.151"ANo. 3113/16"
    5092470A29900000
    1 3/4"0.425"0.151"ANo. 3113/16"
    5092470A30000000
    2"0.425"0.151"ANo. 3113/16"
    5092470A30100000
    2 1/4"0.425"0.151"ANo. 3113/16"
    2592470A3960000
    2 1/2"0.425"0.151"ANo. 3113/16"
    2592470A30300000
    2 3/4"0.425"0.151"ANo. 3113/16"
    2592470A39700000
    3"0.425"0.151"ANo. 3113/16"
    2592470A30400000
    3 1/2"0.425"0.151"ANo. 3113/16"
    1092470A3060000
    4"0.425"0.151"ANo. 3113/16"
    1092470A3080000
     
    No. 14 Screw Size
    1/2"0.476"0.169"ANo. 3105.5 mm
    5092470A31000000
    5/8"0.476"0.169"ANo. 3105.5 mm
    5092470A3120000
    3/4"0.476"0.169"ANo. 3105.5 mm
    5092470A31300000
    1"0.476"0.169"ANo. 3105.5 mm
    5092470A31500000
    1 1/4"0.476"0.169"ANo. 3105.5 mm
    5092470A31600000
    1 1/2"0.476"0.169"ANo. 3105.5 mm
    5092470A31700000
    1 3/4"0.476"0.169"ANo. 3105.5 mm
    2592470A31800000
    2"0.476"0.169"ANo. 3105.5 mm
    2592470A31900000
    2 1/4"0.476"0.169"ANo. 3105.5 mm
    2592470A39800000
    2 1/2"0.476"0.169"ANo. 3105.5 mm
    2592470A32100000
    2 3/4"0.476"0.169"ANo. 3105.5 mm
    2592470A39900000
    3"0.476"0.169"ANo. 3105.5 mm
    1092470A3230000
    3 1/2"0.476"0.169"ANo. 3105.5 mm
    1092470A3250000
    4"0.476"0.169"ANo. 3105.5 mm
    1092470A3300000
    5"0.476"0.169"ANo. 3105.5 mm
    1092470A33500000
    6"0.476"0.169"ANo. 3105.5 mm
    592470A3400000
     
    M2.2 Screw Size
    6.5 mm4.2 mm1.8 mmCNo. 1DIN 79815094997A12500000
    9.5 mm4.2 mm1.8 mmCNo. 1DIN 79815094997A13000000
    13 mm4.2 mm1.8 mmCNo. 1DIN 79815092470A35100000
    16 mm4.2 mm1.8 mmCNo. 1DIN 79815092470A35200000
     
    M2.9 Screw Size
    6.5 mm5.6 mm2.2 mmCNo. 1DIN 79815094997A22500000
    9.5 mm5.6 mm2.2 mmCNo. 1DIN 79815094997A25000000
    13 mm5.6 mm2.2 mmCNo. 1DIN 79815094997A27500000
    16 mm5.6 mm2.2 mmCNo. 1DIN 79812592470A35300000
    19 mm5.6 mm2.2 mmCNo. 1DIN 79812592470A35400000
    22 mm5.6 mm2.2 mmCNo. 1DIN 79812592470A35500000
    25 mm5.6 mm2.2 mmCNo. 1DIN 79812592470A35600000
     
    M3.5 Screw Size
    9.5 mm6.9 mm2.6 mmCNo. 2DIN 79812592470A35700000
    13 mm6.9 mm2.6 mmCNo. 2DIN 79812594997A30000000
    16 mm6.9 mm2.6 mmCNo. 2DIN 79812592470A35800000
    19 mm6.9 mm2.6 mmCNo. 2DIN 79812594997A32500000
    22 mm6.9 mm2.6 mmCNo. 2DIN 79812592470A35900000
    25 mm6.9 mm2.6 mmCNo. 2DIN 79812594997A35000000
    32 mm6.9 mm2.6 mmCNo. 2DIN 79812592470A36100000
     
    M3.9 Screw Size
    9.5 mm7.5 mm2.8 mmCNo. 2DIN 79812592470A36200000
    13 mm7.5 mm2.8 mmCNo. 2DIN 79812594997A40000000
    16 mm7.5 mm2.8 mmCNo. 2DIN 79812592470A36300000
    19 mm7.5 mm2.8 mmCNo. 2DIN 79812594997A42500000
    22 mm7.5 mm2.8 mmCNo. 2DIN 79812592470A36400000
    25 mm7.5 mm2.8 mmCNo. 2DIN 79812594997A45000000
     
    M4.2 Screw Size
    9.5 mm8.2 mm3.1 mmCNo. 2DIN 79812592470A36500000
    13 mm8.2 mm3.1 mmCNo. 2DIN 79812592470A36600000
    16 mm8.2 mm3.1 mmCNo. 2DIN 79812592470A36700000
    19 mm8.2 mm3.1 mmCNo. 2DIN 79812592470A36800000
    22 mm8.2 mm3.1 mmCNo. 2DIN 79812592470A36900000
    25 mm8.2 mm3.1 mmCNo. 2DIN 79812592470A37100000
    32 mm8.2 mm3.1 mmCNo. 2DIN 79812592470A37200000
    38 mm8.2 mm3.1 mmCNo. 2DIN 79811092470A37300000
     
    M4.8 Screw Size
    13 mm9.5 mm3.6 mmCNo. 2DIN 79811092470A3740000
    16 mm9.5 mm3.6 mmCNo. 2DIN 79811092470A3750000
    19 mm9.5 mm3.6 mmCNo. 2DIN 79811092470A3760000
    22 mm9.5 mm3.6 mmCNo. 2DIN 79811092470A37700000
    25 mm9.5 mm3.6 mmCNo. 2DIN 79811092470A37800000
    32 mm9.5 mm3.6 mmCNo. 2DIN 79811092470A37900000
    38 mm9.5 mm3.6 mmCNo. 2DIN 79811092470A38100000
     
    M5.5 Screw Size
    13 mm10.8 mm4 mmCNo. 3DIN 79811092470A38200000
    16 mm10.8 mm4 mmCNo. 3DIN 79811092470A38300000
    19 mm10.8 mm4 mmCNo. 3DIN 79811092470A38400000
    25 mm10.8 mm4 mmCNo. 3DIN 79811092470A38500000
    32 mm10.8 mm4 mmCNo. 3DIN 79811092470A38600000
    38 mm10.8 mm4 mmCNo. 3DIN 79811092470A38700000
     
    Black-Oxide 18-8 Stainless Steel
     
    No. 6 Screw Size
    3/8"0.27"0.097"ANo. 21832 Ga.
    10090356A21100000
    1/2"0.27"0.097"ANo. 21832 Ga.
    10090356A21500000
    5/8"0.27"0.097"ANo. 21832 Ga.
    10090356A21800000
    3/4"0.27"0.097"ANo. 21832 Ga.
    10090356A22200000
    1"0.27"0.097"ANo. 21832 Ga.
    5090356A22500000
     
    No. 8 Screw Size
    3/8"0.322"0.115"ABNo. 21529 Ga.
    10090356A25600000
    1/2"0.322"0.115"ANo. 21529 Ga.
    10090356A25900000
    5/8"0.322"0.115"ANo. 21529 Ga.
    5090356A26400000
    3/4"0.322"0.115"ANo. 21529 Ga.
    5090356A26700000
    7/8"0.322"0.115"ANo. 21529 Ga.
    5090356A36100000
    1"0.322"0.115"ANo. 21529 Ga.
    5090356A27100000
     
    No. 10 Screw Size
    1/2"0.373"0.133"ANo. 21221 Ga.
    5090356A28500000
    5/8"0.373"0.133"ANo. 21221 Ga.
    5090356A28700000
    3/4"0.373"0.133"ANo. 21221 Ga.
    5090356A29100000
    1"0.373"0.133"ANo. 21221 Ga.
    2590356A2940000
    1 1/4"0.373"0.133"ANo. 21221 Ga.
    2590356A29700000
    1 1/2"0.373"0.133"ANo. 21221 Ga.
    2590356A30600000
     
    No. 12 Screw Size
    3/4"0.425"0.151"ANo. 3113/16"
    2590356A3270000
    1"0.425"0.151"ANo. 3113/16"
    2590356A33100000
    1 1/4"0.425"0.151"ANo. 3113/16"
    2590356A33500000
    1 1/2"0.425"0.151"ANo. 3113/16"
    2590356A33900000
     
    No. 14 Screw Size
    3/4"0.476"0.169"ANo. 3105.5 mm
    2590356A35200000
    1"0.476"0.169"ANo. 3105.5 mm
    2590356A35500000
    1 1/4"0.476"0.169"ANo. 3105.5 mm
    1090356A3570000
    1 1/2"0.476"0.169"ANo. 3105.5 mm
    1090356A3590000
     
    Highly Corrosion-Resistant 316 Stainless Steel
     
    No. 2 Screw Size
    1/4"0.167"0.062"ANo. 13248 Ga.
    10090184A0500000
    3/8"0.167"0.062"ANo. 13248 Ga.
    10090184A0580000
    1/2"0.167"0.062"ANo. 13248 Ga.
    10090184A0640000
    5/8"0.167"0.062"ANo. 13248 Ga.
    10090184A0710000
    3/4"0.167"0.062"ANo. 13248 Ga.
    10090184A0800000
     
    No. 4 Screw Size
    1/4"0.219"0.08"ANo. 12444 Ga.
    10090184A1000000
    3/8"0.219"0.08"ANo. 12444 Ga.
    10090184A1050000
    1/2"0.219"0.08"ANo. 12444 Ga.
    10090184A1080000
    5/8"0.219"0.08"ANo. 12444 Ga.
    10090184A1100000
    3/4"0.219"0.08"ANo. 12444 Ga.
    10090184A1110000
    1"0.219"0.08"ANo. 12444 Ga.
    10090184A1150000
     
    No. 6 Screw Size
    1/4"0.27"0.097"ABNo. 21832 Ga.
    10090184A1200000
    3/8"0.27"0.097"ANo. 21832 Ga.
    10090184A1270000
    1/2"0.27"0.097"ANo. 21832 Ga.
    10090184A1380000
    5/8"0.27"0.097"ANo. 21832 Ga.
    10090184A1460000
    3/4"0.27"0.097"ANo. 21832 Ga.
    10090184A1520000
    7/8"0.27"0.097"ANo. 21832 Ga.
    10090184A15400000
    1"0.27"0.097"ANo. 21832 Ga.
    5090184A1550000
    1 1/4"0.27"0.097"ANo. 21832 Ga.
    5090184A1580000
    1 1/2"0.27"0.097"ANo. 21832 Ga.
    5090184A1610000
    1 3/4"0.27"0.097"ANo. 21832 Ga.
    5090184A16400000
    2"0.27"0.097"ANo. 21832 Ga.
    5090184A16800000
     
    No. 8 Screw Size
    1/4"0.322"0.115"ABNo. 21529 Ga.
    10090184A22000000
    3/8"0.322"0.115"ABNo. 21529 Ga.
    10090184A21600000
    1/2"0.322"0.115"ANo. 21529 Ga.
    10090184A22400000
    5/8"0.322"0.115"ANo. 21529 Ga.
    10090184A23600000
    3/4"0.322"0.115"ANo. 21529 Ga.
    5090184A2470000
    7/8"0.322"0.115"ANo. 21529 Ga.
    5090184A2600000
    1"0.322"0.115"ANo. 21529 Ga.
    5090184A2730000
    1 1/4"0.322"0.115"ANo. 21529 Ga.
    5090184A27600000
    1 1/2"0.322"0.115"ANo. 21529 Ga.
    5090184A27800000
    2"0.322"0.115"ANo. 21529 Ga.
    2590184A2810000
    2 1/2"0.322"0.115"ANo. 21529 Ga.
    2590184A28700000
    3"0.322"0.115"ANo. 21529 Ga.
    2590184A29400000
     
    No. 10 Screw Size
    3/8"0.373"0.133"ABNo. 21221 Ga.
    10090184A34000000
    1/2"0.373"0.133"ANo. 21221 Ga.
    5090184A3420000
    5/8"0.373"0.133"ANo. 21221 Ga.
    5090184A3610000
    3/4"0.373"0.133"ANo. 21221 Ga.
    5090184A37400000
    7/8"0.373"0.133"ANo. 21221 Ga.
    5090184A37600000
    1"0.373"0.133"ANo. 21221 Ga.
    5090184A37800000
    1 1/4"0.373"0.133"ANo. 21221 Ga.
    2590184A3850000
    1 1/2"0.373"0.133"ANo. 21221 Ga.
    2590184A3970000
    1 3/4"0.373"0.133"ANo. 21221 Ga.
    2590184A3990000
    2"0.373"0.133"ANo. 21221 Ga.
    2590184A4000000
    2 1/4"0.373"0.133"ANo. 21221 Ga.
    2590184A40400000
    2 1/2"0.373"0.133"ANo. 21221 Ga.
    2590184A40900000
    3"0.373"0.133"ANo. 21221 Ga.
    2590184A41400000
    3 1/2"0.373"0.133"ANo. 21221 Ga.
    2590184A42000000
    4"0.373"0.133"ANo. 21221 Ga.
    2590184A42500000
     
    No. 12 Screw Size
    1/2"0.425"0.151"ANo. 3113/16"
    5090184A44800000
    5/8"0.425"0.151"ANo. 3113/16"
    2590184A4500000
    3/4"0.425"0.151"ANo. 3113/16"
    2590184A4520000
    1"0.425"0.151"ANo. 3113/16"
    2590184A4570000
    1 1/4"0.425"0.151"ANo. 3113/16"
    2590184A4630000
    1 1/2"0.425"0.151"ANo. 3113/16"
    2590184A47100000
    2"0.425"0.151"ANo. 3113/16"
    1090184A4890000
    2 1/2"0.425"0.151"ANo. 3113/16"
    1090184A4960000
     
    No. 14 Screw Size
    1/2"0.476"0.169"ABNo. 3105.5 mm
    2590184A5010000
    5/8"0.476"0.169"ANo. 3105.5 mm
    2590184A5090000
    3/4"0.476"0.169"ANo. 3105.5 mm
    2590184A5130000
    1"0.476"0.169"ANo. 3105.5 mm
    2590184A51700000
    1 1/4"0.476"0.169"ANo. 3105.5 mm
    1090184A5360000
    1 1/2"0.476"0.169"ANo. 3105.5 mm
    1090184A5420000
    1 3/4"0.476"0.169"ANo. 3105.5 mm
    1090184A5490000
    2"0.476"0.169"ANo. 3105.5 mm
    1090184A5560000
    2 1/2"0.476"0.169"ANo. 3105.5 mm
    1090184A5630000
    3"0.476"0.169"ANo. 3105.5 mm
    1090184A56800000
     

    Stainless Steel Torx Flat Head Thread-Forming Screws for Plastic

    Image of Product. Front orientation. Tapping Screws. Stainless Steel Torx Flat Head Thread-Forming Screws for Plastic.
    Image of Specification. Round Shank Cross Section. Front orientation. Round. For Plastic.
    Image of Specification. Tri-Lobe
Shank
Cross Section. Front orientation. Tri-Lobe. For Plastic.

    Round

    Shank

    Cross

    Section

    Tri-Lobe Shank Cross

    Section

    Drivers won’t slip out of these corrosion-resistant screws, which form threads in plastic to secure components with countersunk holes. Also known as star drive, the six-lobe Torx recess withstands more torque than slotted, Phillips, or hex drives. Screws press threads into molded or cast holes without cracking or distorting the material. Use them to fasten plastic components, enclosures, and panels. Their flat, beveled head sits flush in holes.
    Length is measured from the top of the head.
    18-8 Stainless Steel—The choice for wet and outdoor environments, these screws resist rust. However, they won't hold up to the harsh chemicals that 316 stainless steel can.
    Tri-Lobe—The tri-lobular shank forms threads in thermoplastics such as polypropylene and ABS. These screws displace material to create a tight fit that resists vibration and prevents backing out. Because the shank isn't round, the diameter will vary slightly depending on where you measure it. They're comparable to Plastite screws.
    Round—The sharply angled threads drive into plastic with less force and a lower risk of cracking than other tapping screws. The base of the threads is recessed to bite deep into material and hold tight. You can reuse these screws a few times without stripping the threads. They're comparable to PT screws.
    Head
    Lg.
    Dia.
    Ht.
    Tapping
    Screw Type
    Drive
    Size
    Approx. Threads
    per In.
    Countersink
    Angle
    Flat Head
    Profile
    Drill Bit
    Size
    Shank Cross
    Section
    Pkg.
    Qty.
    Pkg.
    18-8 Stainless Steel
     
    No. 2 Screw Size
    3/8"0.162"0.051"TRST62882°
    Standard
    48 Ga.
    Tri-Lobe5095893A621000000
     
    No. 4 Screw Size
    5/8"0.212"0.067"TRST82082°
    Standard
    44 Ga.
    Tri-Lobe5095893A62200000
    3/4"0.212"0.067"TRST82082°
    Standard
    44 Ga.
    Tri-Lobe5095893A62300000
     
    No. 6 Screw Size
    3/8"0.262"0.083"TRST101982°
    Standard
    32 Ga.
    Tri-Lobe5095893A62400000
    5/8"0.262"0.083"TRST101982°
    Standard
    32 Ga.
    Tri-Lobe2595893A6250000
    1"0.262"0.083"TRST101982°
    Standard
    32 Ga.
    Tri-Lobe5095893A62600000
     
    No. 8 Screw Size
    1"0.312"0.1"TRST151682°
    Standard
    29 Ga.
    Tri-Lobe2595893A6270000
     
    M1.6 Screw Size
    5 mm3 mm0.96 mmTRST590°
    Standard
    55 Ga.
    Round5095893A16100000
    6 mm3 mm0.96 mmTRST590°
    Standard
    55 Ga.
    Round5095893A16200000
    8 mm3 mm0.96 mmTRST590°
    Standard
    55 Ga.
    Round5095893A16300000
     
    M2 Screw Size
    5 mm3.8 mm0.96 mmTRST690°
    Standard
    52 Ga.
    Round5095893A16400000
    6 mm3.8 mm0.96 mmTRST690°
    Standard
    52 Ga.
    Round5095893A16500000
    8 mm3.8 mm0.96 mmTRST690°
    Standard
    52 Ga.
    Round5095893A16600000
    10 mm3.8 mm0.96 mmTRST690°
    Standard
    52 Ga.
    Round2595893A1670000
     
    M2.2 Screw Size
    5 mm3.8 mm1.2 mmTRST690°
    Standard
    50 Ga.
    Round5095893A1680000
    6 mm3.8 mm1.2 mmTRST690°
    Standard
    50 Ga.
    Round5095893A1690000
    8 mm3.8 mm1.2 mmTRST690°
    Standard
    50 Ga.
    Round10095893A17100000
    10 mm3.8 mm1.2 mmTRST690°
    Standard
    50 Ga.
    Round10095893A17200000
    12 mm3.8 mm1.2 mmTRST690°
    Standard
    50 Ga.
    Round5095893A1730000
    14 mm3.8 mm1.2 mmTRST690°
    Standard
    50 Ga.
    Round5095893A17400000
    16 mm3.8 mm1.2 mmTRST690°
    Standard
    50 Ga.
    Round5095893A17500000
     
    M2.5 Screw Size
    5 mm4.7 mm1.7 mmTRST890°
    Standard
    45 Ga.
    Round5095893A1770000
    6 mm4.7 mm1.7 mmTRST890°
    Standard
    45 Ga.
    Round10095893A17800000
    8 mm4.7 mm1.7 mmTRST890°
    Standard
    45 Ga.
    Round10095893A17900000
    10 mm4.7 mm1.7 mmTRST890°
    Standard
    45 Ga.
    Round10095893A18100000
    12 mm4.7 mm1.7 mmTRST890°
    Standard
    45 Ga.
    Round5095893A1820000
    14 mm4.7 mm1.7 mmTRST890°
    Standard
    45 Ga.
    Round5095893A18300000
    16 mm4.7 mm1.7 mmTRST890°
    Standard
    45 Ga.
    Round5095893A18400000
    18 mm4.7 mm1.7 mmTRST890°
    Standard
    45 Ga.
    Round5095893A18500000
    20 mm4.7 mm1.7 mmTRST890°
    Standard
    45 Ga.
    Round5095893A18600000
     
    M3 Screw Size
    5 mm5.5 mm1.8 mmTRST890°
    Standard
    41 Ga.
    Round5095893A1870000
    6 mm5.5 mm1.8 mmTRST890°
    Standard
    41 Ga.
    Round5095893A1880000
    8 mm5.5 mm1.8 mmTRST890°
    Standard
    41 Ga.
    Round10095893A18900000
    10 mm5.5 mm1.8 mmTRST890°
    Standard
    41 Ga.
    Round10095893A19100000
    Flat Head Thread-Forming Screws for Plastic, Torx Drive, 90 Degree Countersink, M3 Size, 10 mm Long
    Pack of 100In stock
    Compatible Products for This Tapping Screw
    12 mm5.5 mm1.8 mmTRST890°
    Standard
    41 Ga.
    Round10095893A19200000
    14 mm5.5 mm1.8 mmTRST890°
    Standard
    41 Ga.
    Round5095893A19300000
    16 mm5.5 mm1.8 mmTRST890°
    Standard
    41 Ga.
    Round5095893A1940000
    18 mm5.5 mm1.8 mmTRST890°
    Standard
    41 Ga.
    Round5095893A19500000
    20 mm5.5 mm1.8 mmTRST890°
    Standard
    41 Ga.
    Round5095893A19600000
    25 mm5.5 mm1.8 mmTRST890°
    Standard
    41 Ga.
    Round2595893A1970000
    30 mm5.5 mm1.8 mmTRST890°
    Standard
    41 Ga.
    Round2595893A1980000
     
    M3.5 Screw Size
    8 mm7.3 mm2.5 mmTRST1590°
    Standard
    34 Ga.
    Round5095893A19900000
    10 mm7.3 mm2.5 mmTRST1590°
    Standard
    34 Ga.
    Round5095893A2210000
    12 mm7.3 mm2.5 mmTRST1590°
    Standard
    34 Ga.
    Round5095893A2220000
    16 mm7.3 mm2.5 mmTRST1590°
    Standard
    34 Ga.
    Round5095893A22400000
    25 mm7.3 mm2.5 mmTRST1590°
    Standard
    34 Ga.
    Round2595893A22700000
     
    M4 Screw Size
    8 mm8.4 mm2.9 mmTRST2090°
    Standard
    30 Ga.
    Round2595893A2320000
    10 mm8.4 mm2.9 mmTRST2090°
    Standard
    30 Ga.
    Round2595893A2330000
    12 mm8.4 mm2.9 mmTRST2090°
    Standard
    30 Ga.
    Round2595893A2340000
    14 mm8.4 mm2.9 mmTRST2090°
    Standard
    30 Ga.
    Round2595893A2350000
    16 mm8.4 mm2.9 mmTRST2090°
    Standard
    30 Ga.
    Round2595893A2360000
    18 mm8.4 mm2.9 mmTRST2090°
    Standard
    30 Ga.
    Round2595893A2370000
    20 mm8.4 mm2.9 mmTRST2090°
    Standard
    30 Ga.
    Round2595893A2380000
    25 mm8.4 mm2.9 mmTRST2090°
    Standard
    30 Ga.
    Round2595893A23900000
    30 mm8.4 mm2.9 mmTRST2090°
    Standard
    30 Ga.
    Round2595893A24100000
    35 mm8.4 mm2.9 mmTRST2090°
    Standard
    30 Ga.
    Round1095893A2420000
    40 mm8.4 mm2.9 mmTRST2090°
    Standard
    30 Ga.
    Round1095893A2430000
     
    M5 Screw Size
    10 mm9.3 mm2.9 mmTRST2090°
    Standard
    21 Ga.
    Round2595893A2450000
    12 mm9.3 mm2.9 mmTRST2090°
    Standard
    21 Ga.
    Round2595893A2460000
    14 mm9.3 mm2.9 mmTRST2090°
    Standard
    21 Ga.
    Round2595893A2470000
    16 mm9.3 mm2.9 mmTRST2090°
    Standard
    21 Ga.
    Round2595893A24800000
    18 mm9.3 mm2.9 mmTRST2090°
    Standard
    21 Ga.
    Round2595893A24900000
    20 mm9.3 mm2.9 mmTRST2090°
    Standard
    21 Ga.
    Round2595893A26100000
    25 mm9.3 mm2.9 mmTRST2090°
    Standard
    21 Ga.
    Round1095893A2620000
    30 mm9.3 mm2.9 mmTRST2090°
    Standard
    21 Ga.
    Round1095893A2630000
     
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    Other Tapping Screws
    For Sheet Metal
    For Metal
    For Plastic