Flat Head Floorboard Thread Cutting Screws



Time to change boards or tighten up some loose boards on that gooseneck flatbed? Your going to need these.

Material Steel
Drive System Internal Hex
Head Style Flat
Exterior Finish Black Phosphate
Thread Size 5/16″-18

About this item

  • 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
  • RECOMMENDED PLATE THICKNESS – .3095 inches – .3155 inches | RECOMMENDED HOLE SIZE – .29 inches (“L” Drill Bit Size)
Weight 1133.980925 lbs

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