9 x 2 Simpson Metal Panel Screw Hex Drive 316 SS Carton (1000) Drop In Anchor Setting Tools Clearance The slots are for the The slots are for the insertion of a cotter pin to secure the nut when used with a drilled shank fastener 17 64 Heavy Duty Jobber Drill Bit 9 x 2 Simpson Metal Panel Screw Hex Drive 316 SS Carton (1000) • 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