GRK Fasteners - Wesson Hardware https://www.wessonhardware.com Mon, 29 Dec 2025 22:22:59 +0000 en-US hourly 1 https://www.wessonhardware.com/wp-content/uploads/2021/03/favicon.png GRK Fasteners - Wesson Hardware https://www.wessonhardware.com 32 32 190378468 GRK Fasteners No. 20 X 3-1/8″ L Star Washer Self Tapping Structural Screws 40pk https://www.wessonhardware.com/product/grk-fasteners-no-20-x-3-1-8-l-star-washer-self-tapping-structural-screws-40pk/?utm_source=rss&utm_medium=rss&utm_campaign=grk-fasteners-no-20-x-3-1-8-l-star-washer-self-tapping-structural-screws-40pk https://www.wessonhardware.com/product/grk-fasteners-no-20-x-3-1-8-l-star-washer-self-tapping-structural-screws-40pk/#respond Thu, 16 May 2024 21:41:21 +0000 https://www.wessonhardware.com/product/grk-fasteners-no-20-x-3-1-8-l-star-washer-self-tapping-structural-screws-40pk/ The screws are using self tapping specially hardened steel screw, W-Cut thread design as zip tip, climatek coated, sharp threads and points to built in washer for interior or exterior use and its ideal for use in anchoring to concrete or wood to concrete applications including basement framing and sheds. Self tapping as 3-1/8 inch […]

The post GRK Fasteners No. 20 X 3-1/8″ L Star Washer Self Tapping Structural Screws 40pk first appeared on Wesson Hardware.

]]> The screws are using self tapping specially hardened steel screw, W-Cut thread design as zip tip, climatek coated, sharp threads and points to built in washer for interior or exterior use and its ideal for use in anchoring to concrete or wood to concrete applications including basement framing and sheds.

  • Self tapping as 3-1/8 inch length for specially hardened steel screw
  • It has been designed as pan head
  • Recessed star drive as zero stripping with 6 points of contact
  • CEE thread using enlarge hole to reduce splitting
  • Climatek coated with sharp threads and points
  • Built in washer head for immense holding power

 

Specifications:

  • Brand Name: GRK Fasteners
  • Callout Size: No. 20
  • Length: 3-1/8 in.
  • Drive Style: Star
  • Head Type: Washer Head
  • Thread Type: Self Tapping
  • Product Type: Structural Screws
  • Number in Package: 40 pk
  • Container Size: 1 lb
  • Color: Yellow
  • Indoor or Outdoor: Indoor and Outdoor
  • Diameter: 5/16 in.
  • Self Drilling: Yes
  • Finish: Climacoat
  • Packaging Type: Clamshell
  • Material: Steel
  • Self Tapping: Yes

The post GRK Fasteners No. 20 X 3-1/8″ L Star Washer Self Tapping Structural Screws 40pk first appeared on Wesson Hardware.

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