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.; ; Brand Name: GRK Fasteners Callout Size: No. 20 Length: 5-1/8 in. Drive Style: Star Head Type: Washer Head Product Type: Structural Screws Number in Package: 50 pk Driver Bit Included: No Color: Yellow Indoor or Outdoor: Indoor and Outdoor Diameter: 5/16 in. Self Drilling: Yes Finish: Climacoat Packaging Type: Clamshell Thread Type: Self Tapping Material: Steel Self Tapping: Yes
