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    25 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 Piercing Flanged Slotted Hex Head Screws for Sheet Metal

    Image of Product. Front orientation. Tapping Screws. Steel Piercing Flanged Slotted Hex Head Screws for Sheet Metal.
    With a sharp tip, these screws cut deeper into sheet metal than other tapping screws. Also known as needle point screws, they start holes in sheets up to 0.050" thick. Install using a nutdriver or socket, then make adjustments with a slotted screwdriver. The flanged head spreads the load to prevent crushing your material.
    Length is measured from under the head.
    Zinc-Plated Steel—A common choice for areas with occasional exposure to moisture.
    Head
    Lg.
    Wd.
    Ht.
    Flange
    Dia.
    Tapping
    Screw Type
    Approx. Threads
    per In.
    Drill Bit
    Size
    Pkg.
    Qty.
    Pkg.
    Zinc-Plated Steel
     
    No. 6 Screw Size
    3/8"0.25"0.118"0.328"Needle1832 Ga.
    10090197A14600000
     
    No. 7 Screw Size
    1/2"0.25"0.122"0.328"Needle1630 Ga.
    10090197A1700000
     
    No. 8 Screw Size
    1/2"0.25"0.141"0.348"Needle1529 Ga.
    10090197A1940000
    3/4"0.25"0.141"0.348"Needle1529 Ga.
    10090197A1980000
    1"0.25"0.141"0.348"Needle1529 Ga.
    10090197A1990000
    2"0.25"0.141"0.348"Needle1529 Ga.
    5090197A2050000
     
    No. 10 Screw Size
    1/2"0.25"0.141"0.348"Needle1221 Ga.
    10090197A2420000
    1/2"0.313"0.151"0.414"Needle1221 Ga.
    10090197A6410000
    3/4"0.25"0.141"0.348"Needle1221 Ga.
    10090197A2450000
    3/4"0.313"0.151"0.414"Needle1221 Ga.
    10090197A6450000
    1"0.25"0.141"0.348"Needle1221 Ga.
    10090197A2470000
    1"0.313"0.151"0.414"Needle1221 Ga.
    10090197A6480000
    1 1/2"0.313"0.151"0.414"Needle1221 Ga.
    10090197A6510000
     

    Stainless Steel Piercing Flanged Hex Head Screws for Sheet Metal

    Image of Product. Front orientation. Tapping Screws. Stainless Steel Piercing Flanged Hex Head Screws for Sheet Metal.
    These corrosion-resistant screws have a sharp tip that cuts deeper into sheet metal than other tapping screws. Also known as needle point screws, they start holes in sheets up to 0.050" thick. Turn the hex head with a nutdriver or socket. The flange spreads the load to prevent crushing your material.
    Length is measured from under the head.
    410 Stainless Steel—Tougher and more wear resistant than other stainless steel screws but less corrosion resistant.
    Head
    Lg.
    Wd.
    Ht.
    Flange
    Dia.
    Tapping
    Screw Type
    Approx. Threads
    per In.
    Drill Bit
    Size
    Pkg.
    Qty.
    Pkg.
    410 Stainless Steel
     
    No. 6 Screw Size
    3/8"0.25"0.118"0.328"Needle1832 Ga.
    5092650A120000000
    1/2"0.25"0.118"0.328"Needle1832 Ga.
    5092650A15000000
     
    No. 8 Screw Size
    1/2"0.25"0.141"0.348"Needle1529 Ga.
    5092650A15500000
    3/4"0.25"0.141"0.348"Needle1529 Ga.
    5092650A16000000
     
    No. 10 Screw Size
    1"0.25"0.142"0.343"Needle1221 Ga.
    2592650A20700000
    1 1/2"0.25"0.142"0.343"Needle1221 Ga.
    2592650A21000000
    2"0.25"0.142"0.343"Needle1221 Ga.
    2592650A21300000
     

    Steel Serrated-Flange Piercing Slotted Hex Head Screws for Sheet Metal

    Image of Product. Front orientation. Tapping Screws. Steel Serrated-Flange Piercing Slotted Hex Head Screws for Sheet Metal.
    Image of Product. Back orientation. Tapping Screws. Steel Serrated-Flange Piercing Slotted Hex Head Screws for Sheet Metal.
    The sharp tip penetrates sheets up 0.050" thick. and the serrated flange grips the material for a vibration-resistant hold. Also known as needle point screws, these create their own starter hole. Install using a nutdriver or socket, then make adjustments with a slotted screwdriver. The flange spreads the load to prevent crushing your material.
    Length is measured from under the head.
    Zinc-Plated Steel—A common choice for areas with occasional exposure to moisture.
    Head
    Lg.
    Wd.
    Ht.
    Flange
    Dia.
    Tapping
    Screw Type
    Approx. Threads
    per In.
    Drill Bit
    Size
    Pkg.
    Qty.
    Pkg.
    Zinc-Plated Steel
     
    No. 6 Screw Size
    3/8"0.25"0.128"0.328"Needle1832 Ga.
    10090063A14600000
     
    No. 7 Screw Size
    1/2"0.25"0.146"0.328"Needle1630 Ga.
    10090063A1700000
     
    No. 8 Screw Size
    1/2"0.25"0.149"0.348"Needle1529 Ga.
    10090063A1940000
     
    No. 10 Screw Size
    1/2"0.25"0.16"0.414"Needle1221 Ga.
    10090063A24200000
    3/4"0.25"0.16"0.414"Needle1221 Ga.
    10090063A24500000
     
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