GRK Fasteners R4 01105 Decking and Framing Screw, #9 Thread, 3-1/8 in L, W-Cut Thread, Flat Head, Star Drive, Steel, 425 ICE SCRAPERS Hollow ground to reduce binding

Hollow ground to reduce binding

1 in H x 1 in W x 2

LCKSET PHOENIX DUMMY KNB VBZ

BRUSH TRIM NYLN BRISTLES 2

GRK Fasteners R4 01105 Decking and Framing Screw, #9 Thread, 3-1/8 in L, W-Cut Thread, Flat Head, Star Drive, Steel, 425 ICE SCRAPERS Hollow ground to reduce bindingGRK's 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 ideally clean hole into even the most brittle materials without cracking any surface treatment. Fast bite tip eliminates pre drilling and provides a fast start for one step installation W