GRK Fasteners R4™ Multi-Purpose Framing & Decking Screws #8 x 1-3/4 in. Size:#8 x 1-3/4" Vitamin A (min

Vitamin A (min

Will not rot or mildew

Includes round deadbolt strike

Diameter of head 7/16"

and flock maintenance

GRK Fasteners R4™ Multi-Purpose Framing & Decking Screws #8 x 1-3/4 in. Size:#8 x 1-3/4" Vitamin A (minGRKs R4 self countersinking screw has a patented underhead with saw blade like cutting teeth and six self contained cutting pockets. Together they act similar to a circular saw blade, transporting the drill dust away from the edge of the screw hole while cutting a perfectly clean hole into even the most brittle materials without cracking any surface treatment. This design enhances the R4s versatility by allowing the fastener to countersink into even