• Material: Grade A per ASTM A563

1/4-20 x 3 1/4 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (600)

22 x 5 Simpson Strong-Drive® SDW EWP-PLY Screw Black E-coat™ - Carton (600)

5/16-18 x 1 1/4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (1100)

#6 x 6 High Speed Aircraft Bit Cobalt

9/16-12 x 1 1/4 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (300) 3/8 Dowel Pins 18-8 Stainless Steel • Material: Grade A per9 16 12 x 1 1 4 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (300) . 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