Description
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
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