GRK 01133 R4 Pro-Pak Multi-Purpose Framing Screw, #10 x 2-1/2", 470-Count BF20 Bi-Metal blade

Bi-Metal blade

5900 in (40

at a seated height or in a standing position

Proof tested load: 5200 lbs

GRK 01133 R4 Pro-Pak Multi-Purpose Framing Screw, #10 x 2-1/2", 470-Count BF20 Bi-Metal bladeThis design enhances the R4's versatility by allowing the fastener to countersink into even the hardest woods. The head of the screw closes the hole off with precision leaving no damaged fibers around the head. R4 screws 2" and longer have a four threaded CEE Thread. This enlarges the screw hole for the non threaded portion of the fastener, allowing the wood to settle easily. It increases the screw's drawing strength and reduces the friction on the