Home > Fasteners > Screws > Self-Tapping Screws > 5/16-18 x 2 1/4" (FT) Floorboard Thread Cutting Screws (Type F), Coarse, Flat Head, 6-Lobe (T-40 Torx Drive), Black Phosphate
Self-Tapping Screws > 5/16-18 x 2 1/4" (FT) Floorboard Thread Cutting Screws (Type F), Coarse, Flat Head, 6-Lobe (T-40 Torx Drive), Black Phosphate

5/16-18 x 2 1/4" (FT) Floorboard Thread Cutting Screws (Type F), Coarse, Flat Head, 6-Lobe (T-40 Torx Drive), Black Phosphate

Part Number #688134

South Coast Fasteners stocks the 5/16-18 x 2 1/4" (FT) Floorboard Thread Cutting Screws (Type F), Coarse, Flat Head, 6-Lobe (T-40 Torx Drive), Black Phosphate for fast 3-5 day shipping. It measures 5/16" diameter, 2 1/4" (FT) length, coarse thread, Steel with a Black Phosphate finish. Used in attaching sheet metal, ductwork, and light gauge steel. 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 2 1/4" (FT) Floorboard Thread Cutting Screws (Type F), Coarse, Flat Head, 6-Lobe (T-40 Torx Drive), Black Phosphate
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688134 Specifications

  • Diameter: 5/16"
  • Thread Pitch: 18
  • Length: 2 1/4" (FT)
  • Thread: Coarse
  • Material: Steel
  • Finish: Black Phosphate