• 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

5/8-11 x 5 1/4 Hex Cap Screw SS 18-8 (A2)

1 3/4-5 x 5 1/2 Socket Cap Screw Alloy

1/4-28 x 4 1/2 Grade 5 Hex Cap Screw Plain Domestic USA (50)

3/4-10 x 3 3/4 A325 Type 1 Heavy Hex Bolt Plain (75)

9/16-12 x 4 1/2 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (25) M16-2.00 Hex Cap Screws DIN 931 18-8 Stainless Steel (A2) • Fasten aluminum agricultural siding9 16 12 x 4 1 2 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (25) . Grade 8 Hex Cap Screws are manufactured in the USA from medium carbon alloy steel. In diameters 1 4 to 1 1 2 inches our Grade 8 material meets or exceeds SAE J429 Grade 8 specifications. Diameters over 1 1 2 inches meet or exceed ASTM A354 Grade BD. All material is manufactured with rolled threads. Yellow zinc plated bolting will meet or exceed ASTM F1941. Typical hardness on