GRK 00139 R4 Multi-Purpose Framing Screw, #10 x 3-1/2", 1200-Count BF20 This product can be used

This product can be used down to 25°F (-4°C) which may result in a slight reduction of delivery rate

Replacement for 50W R20 incandescent lamps

Screw Size:: NO 10

Laser-cut plate

GRK 00139 R4 Multi-Purpose Framing Screw, #10 x 3-1/2", 1200-Count BF20 This product can be usedThis 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