GRK 00105 R4 Multi-Purpose Framing Screw, #9 x 3-1/8", 1900-Count Thanksgiving Comes with 3 quiet speeds

Comes with 3 quiet speeds

both sides of the damaged area should be repaired for added strength

Includes fiberglass epoxy resin and fiberglass epoxy resin hardener

Easy internal locking mechanism

Autosense technology calculates how much salt and water is required to regenerate the system and only uses what is necessary

GRK 00105 R4 Multi-Purpose Framing Screw, #9 x 3-1/8", 1900-Count Thanksgiving Comes with 3 quiet speedsThis 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