Zinc plated material will meet or exceed ASTM F1941

3/4-10 x 8 A307 Grade A Carriage Bolt Zinc Plated

23/64 Cobalt Heavy Duty Jobber Drill Bit

#38 Heavy Duty Jobber Drill Bit

Carbon: Maximum 0

9 x 1 1/2 Simpson Metal-Panel Screw - Hex Drive w/ EPDM Washer 316 SS - Box (100) 3/8 Hex Lag Screws 18-8 Stainless Steel Zinc plated material will meet9 x 1 1 2 Simpson Metal Panel Screw Hex Drive w EPDM Washer 316 SS Box (100) . 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