9/16-12 x 3 1/2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (25)

• 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

1 1/2-6 x 5 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (5)

5/16-24 x 2 1/4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (100)

1 3/8-12 x 3 1/2 Socket Cap Screw Alloy

5/8-18 x 2 3/4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (125) 1-14 Grade 5 Hex Cap Screws Plain - Domestic USA 9/16-12 x 3 1/2 Grade5 8 18 x 2 3 4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (125) . Grade 5 Hex Cap Screws are manufactured in the USA from medium carbon steel. Our Grade 5 material meets or exceeds SAE J429 Grade 5 specifications. All products are manufactured with rolled threads. Typical hardness on diameters 1 4 to 1 inch is HRC 25 34. On diameters over 1 inch to 1 1 2 hardness will range from HRC 19 30. Tensile strength for diameters 1 4 to 1 inch is a minimum