1/2-20 x 6 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (25)

8 x 1 5/8 Simpson Bugle-Head Self-Drilling Screw - Square Drive 410 SS - Carton (1000)

Grade A Heavy Hex Nuts are manufactured from low carbon steel

Proof load strength will meet a minimum of 100

33/64 x 6 Reduced Shank Drill Bit Cobalt (1/2 Shank)

1/2-20 x 1 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (50) 5/8-11 Flat Socket Cap Screws 18-8 Stainless Steel 1/2-20 x 6 Grade 51 2 20 x 1 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (50) . 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