5/16-18 x 3" (FT) Floorboard Thread Cutting Screws (Type F), Coarse, Flat Head, 6-Lobe (T-40 Torx Drive), Black Phosphate

Part Number #688142

South Coast Fasteners keeps the 5/16-18 x 3" (FT) Floorboard Thread Cutting Screws (Type F), Coarse, Flat Head, 6-Lobe (T-40 Torx Drive), Black Phosphate in stock and ready to ship. It measures 5/16" diameter, 3" (FT) length, coarse thread, Steel with a Black Phosphate finish. Used in fastening thin metal without a pilot hole. These self-tapping screws are part of our Self-Tapping Screws line, stocked across industries such as HVAC, Construction, and Automotive.

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  • 5/16-18 x 3" (FT) Floorboard Thread Cutting Screws (Type F), Coarse, Flat Head, 6-Lobe (T-40 Torx Drive), Black Phosphate
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688142 Specifications

  • Diameter: 5/16"
  • Thread Pitch: 18
  • Length: 3" (FT)
  • Thread: Coarse
  • Material: Steel
  • Finish: Black Phosphate