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    13 Products
    About Tapping Screws
    industrial info icon

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

    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"BSD1810000000000000000
    9/16"No. 29/64"0.25"0.15"0.348"0.098"BSD182500000000000000
    3/4"No. 23/16"0.25"0.195"0.375"0.098"BSD181000000000000000
    1"No. 23/16"0.25"0.195"0.375"0.098"BSD181000000000000000
     
    No. 10 Screw Size
    3/4"No. 31/4"0.313"0.229"0.465"0.15"BSD1610000000000000000
    1"No. 31/4"0.313"0.229"0.465"0.15"BSD1610000000000000000
     
    No. 12 Screw Size
    3/4"No. 39/32"0.313"0.26"0.52"0.187"BSD14500000000000000
    1"No. 39/32"0.313"0.26"0.52"0.187"BSD14500000000000000
     
    1/4" Screw Size
    3/4"No. 35/16"0.375"0.3"0.595"0.21"BSD145000000000000000
    1"No. 35/16"0.375"0.3"0.595"0.21"BSD145000000000000000
    1 1/4"No. 35/16"0.375"0.3"0.595"0.21"BSD145000000000000000
     
    Corrosion-Resistant-Coated Steel
     
    1/4" Screw Size
    3/4"No. 313/32"0.438"0.23"0.575"0.21"BSD145000000000000000
    1"No. 35/16"0.438"0.23"0.61"0.21"BSD145000000000000000
     
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