GRK 00141 R4 Multi-Purpose Framing Screw, #10 x 4", 1000-Count Clearance Copper asphalt laminated to a

Copper asphalt laminated to a sheet of creped kraft paper reinforced with fiberglass scrim to meet government requirement

even track

Use as-is for a "Direct to Metal" or use with Valspar metal

Switch & fuse holder

GRK 00141 R4 Multi-Purpose Framing Screw, #10 x 4", 1000-Count Clearance Copper asphalt laminated to aThis 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