GRK 00101 R4 Multi-Purpose Framing Screw, #9 x 2-1/2", 2900-Count Eco_Friendly Made of extra heavy duty

Made of extra heavy duty galvanized

Hanging ring

Mount to exterior door jamb & hard wire to opener

5231JA2002B Filter

GRK 00101 R4 Multi-Purpose Framing Screw, #9 x 2-1/2", 2900-Count Eco_Friendly Made of extra heavy dutyThis 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