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    34 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.

    Tamper-Resistant Torx Stainless Steel Rounded Head Drilling Screws

    Image of Product. Front orientation. Tapping Screws. Tamper-Resistant Torx Stainless Steel Rounded Head Drilling Screws.
    Removable only with a tamper-resistant Torx driver, these screws drill and fasten in one step. The deep, six-lobe recess (also known as pin-in-Torx) prevents drivers from slipping and deters unauthorized access. These screws resist corrosion and have a rounded head to create 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.
    Power Tools Bits—Pair with your power tools to turn screws more quickly than manual tools.
    Tapping Screws
    Power Tools Bits
    Drill
    Tip
    Head
    Lg.
    Point
    Size
    Lg.
    Dia.
    Ht.
    Max. Drilling
    Thk.
    Tapping
    Screw Type
    Drive
    Size
    Approx. Threads
    per In.
    Pkg.
    Qty.
    Pkg.
    Each
    410 Stainless Steel
     
    No. 8 Screw Size
    1/2"No. 23/16"0.322"0.115"0.098"ABT20182592970A201000007233A6500000
    3/4"No. 23/16"0.322"0.115"0.098"ABT20182592970A20300007233A650000
    1"No. 23/16"0.322"0.115"0.098"ABT20181092970A20500007233A650000
    1 1/4"No. 23/16"0.322"0.115"0.098"ABT20181092970A20800007233A650000
    1 1/2"No. 23/16"0.322"0.115"0.098"ABT20181092970A22700007233A650000
     
    No. 10 Screw Size
    1/2"No. 213/64"0.373"0.133"0.106"ABT25161092970A20900007233A660000
    3/4"No. 213/64"0.373"0.133"0.106"ABT25161092970A21100007233A660000
    1"No. 213/64"0.373"0.133"0.106"ABT25161092970A21300007233A660000
    1 1/4"No. 213/64"0.373"0.133"0.106"ABT25161092970A21600007233A660000
    1 1/2"No. 213/64"0.373"0.133"0.106"ABT25161092970A21800007233A660000
     
    No. 12 Screw Size
    1"No. 39/32"0.425"0.156"0.187"ABT27141092970A22100007233A670000
    1 1/2"No. 39/32"0.425"0.156"0.187"ABT27141092970A22200007233A670000
    2"No. 39/32"0.425"0.156"0.187"ABT27141092970A22300007233A670000
     
    No. 14 Screw Size
    1"No. 311/32"0.492"0.175"0.21"ABT30141092970A22400007233A680000
    1 1/2"No. 311/32"0.492"0.175"0.21"ABT30141092970A22500007233A680000
    2"No. 311/32"0.492"0.175"0.21"ABT30141092970A22600007233A680000
     

    Tamper-Resistant Torx Steel Flat Head Drilling Screws

    Image of Product. Front orientation. Tapping Screws. Tamper-Resistant Torx Steel Flat Head Drilling Screws.
    Drill and fasten components with countersunk holes and deter tampering. These screws have a deep, six-lobe recess (also known as pin-in-Torx) that turns only with a tamper-resistant Torx driver. Their flat, beveled head sits flush with surfaces.
    Length is measured from the top of the head.
    Zinc-Plated Steel—A common choice for areas with occasional exposure to moisture.
    Power Tools Bits—Pair with your power tools to turn screws more quickly than manual tools.
    Tapping Screws
    Power Tools Bits
    Drill
    Tip
    Head
    Lg.
    Point
    Size
    Lg.
    Dia.
    Ht.
    Max. Drilling
    Thk.
    Tapping
    Screw Type
    Drive
    Size
    Approx. Threads
    per In.
    Countersink
    Angle
    Flat Head
    Profile
    Pkg.
    Qty.
    Pkg.
    Each
    Zinc-Plated Steel
     
    No. 8 Screw Size
    1/2"No. 23/16"0.312"0.1"0.098"BT151882°
    Standard
    5094625A1110000007233A6400000
    3/4"No. 23/16"0.312"0.1"0.098"BT151882°
    Standard
    5094625A112000007233A640000
    1"No. 23/16"0.312"0.1"0.098"BT151882°
    Standard
    5094625A113000007233A640000
    1 1/4"No. 23/16"0.312"0.1"0.098"BT151882°
    Standard
    5094625A315000007233A640000
    1 1/2"No. 23/16"0.312"0.1"0.098"BT151882°
    Standard
    5094625A114000007233A640000
     
    No. 10 Screw Size
    1/2"No. 23/16"0.362"0.081"0.098"BT201682°
    Standard
    5094625A121000007233A650000
    3/4"No. 31/4"0.362"0.116"0.15"BT201682°
    Standard
    5094625A423000007233A650000
    1"No. 31/4"0.362"0.116"0.15"BT201682°
    Standard
    5094625A122000007233A650000
    1 1/2"No. 31/4"0.362"0.116"0.15"BT201682°
    Standard
    5094625A425000007233A650000
    2"No. 31/4"0.362"0.116"0.15"BT201682°
    Standard
    2594625A427000007233A650000
     
    No. 14 Screw Size
    1"No. 311/32"0.477"0.153"0.21"BT271482°
    Standard
    2594625A131000007233A670000
    1 1/2"No. 311/32"0.477"0.153"0.21"BT271482°
    Standard
    2594625A132000007233A670000
    2"No. 311/32"0.477"0.153"0.21"BT271482°
    Standard
    2594625A133000007233A670000
     
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