Fastener Info

Stainless Steel Deck Screws

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Shop Free Shipping on Stainless Steel Deck Screws. All sizes square drive deck screws.

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Print ruler

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9" and 230mm Ruler Download and Print. Print Ruler:

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Thread pitch

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Thread Pitch and Thread Count (TPI) Thread Count (TPI) TPI stands for Threads Per Inch. TPI simply a count of the number of threads per inch measured along the length of a fastener. TPI is used only with American fasteners. Metric Fasteners use a thread Pitch. In general smaller fasteners have finer threads, so the thread count is higher. Thread Pitch Metric fasteners are specified with a thread pitch instead of a thread count. The thread pitch is the distance between threads expressed in millimeters (measured along the length of the fastener). For example a thread pitch of 1.5 means that...

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Pilot Hole Size

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Wood Screw Pilot Hole Sizes Screw Size Hard Wood Soft Wood Countersink Size Tapered Bit Straight Bit Tapered Bit Straight Bit #2 3/32" 1/16" 5/64" 1/16" 1/4" #3 7/64" 5/64" 3/32" 1/16" 1/4" #5 1/8" 3/32" 7/64" 5/64" 5/16" #6 9/64" 7/64" 1/8" 3/32" 5/16" #7 5/32" 7/64" 1/8" 3/32" 5/16" #8 11/64" 1/8" 5/32" 7/64" 3/8" #9 3/16" 9/64" 11/64" 1/8" 3/8" #10 13/64" 9/64" 3/16" 1/8" 7/16" #12 7/32" 5/32 13/64" 9/64" 7/16" #14 1/4" 11/64" 15/64" 5/32" 1/2" #16 9/32" 3/16" 17/64" 11/64" 9/16" #18 5/16" 7/32" 19/64" 13/64" 5/8" #20 21/64" 15/64" 5/16" 7/32" 3/4" #24...

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Fastenere - Machine Screw Diameters

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Machine Screw Diameters Fine Thread Coarse Thread Nearest Fractional 0-80 1/16" 1-64 1-72 5/64" 2-56 2-64 3/32 3-48 3-56 7/64" 4-40 4-48 7/64" 5-40 5-44 1/8" 6-32 6-40 9/64" 8-32 8-36 5/32" 10-24 10-32 3/16" 12-24 12-28 7/32" 1/4-20 1/4-28 1/4" 5/16-18 5/16-24 3/8-16 3/8-24 1/2-13 1/2-20

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