Description
1 8 x 9 1 2 Grade 5 Hex Cap Screw Zinc Plated Phillips Wafer Cement Board Screws ThruLOK® offers the speed of ThruLOK® offers the speed of a LOK Line product and the strength of a through bolted connection • Fasten aluminum agricultural siding panels to wood joists without pre drilling • Extra sharp point for quick penetration of aluminum panels without “point walking” • Twin lead thread fastens one to three panel thicknesses securely to wood substrate • 5 16" Hex drive • Panel screws available with and without aluminum neoprene bonded sealing washers