U-Turn - 5/16-18 x 2 1/2 inch Flat Head Floorboard Thread Cutting Screws, Type F, T40 Torx, Black Phosphate (50 Pack)

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U-Turn - 5/16-18 x 2 1/2 inch Flat Head Floorboard Features

• SELF TAPPING TRAILER DECK SCREWS - Designed specifically for attaching wood floors into truck trailers, but they can be used in a number of different applications such as those involving fastening to heavy gauge sheet metal, aluminum, castings, cast iron, brass, and plastic.

• MATERIAL - Hardened Steel (RC 45 Minimum Case Hardness) | BLACK PHOSPHATE & OIL COATING - Provides corrosion Resistance

• For consistent performance, the material in which the threads are cut should have a lower hardness of at least 10-20 Rockwell points

• DRIVE - T-40 TORX DRIVE (6-LOBE)

• RECOMMENDED PLATE THICKNESS - .3095 inches - .3155 inches | RECOMMENDED HOLE SIZE - .29 inches ("L" Drill Bit Size)

About U-Turn - 5/16-18 X 2 1/2 Inch Flat Head Floorboard

U-Turn - 5/16-18 x 2 1/2 inch Flat Head Floorboard Thread Cutting Screws, Type F, T40 Torx, Black Phosphate (50 Pack)