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5/16'-18 Flat Head T40 Torx Star Drive Thread Cutting Trailer Floorboard Screws (250, 5/16'-18 x 2-1/2')

5.0 (1) Write Review
Free shipping on orders over $29.99

$49.67

$ 21 .99 $21.99

In Stock

About this item

  • Black Phosphate and Oil Finish for Corrosion Resistance
  • Star Drive to prevent stripping and ease installation
  • Blunt tapered point with multi-cutting edges and chip cavities
  • Type F Thread Cutting Screws
  • T40 Drive


5/16"-18 Thread Cutting screws feature a thread cutting tip which makes threads in existing or pre-drilled holes. Made from black phosphate and oil-coated C1022 steel, these T40 floorboard screws are designed to last.


R Clark
Reviewed in the United States on November 12, 2024
Screws worked ok, good as you'd buy at a trailer repair shop!
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