Proof load strength is 175

5/8-11 x 4 1/2 A325 Type 1 Heavy Hex Bolt Plain (100)

3/4-16 x 10 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (15)

5/16-24 x 7 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (225)

7/8 x 18 Ship Auger Wood Bit

1 1/4-7 x 5 1/2 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (15) 7/16-14 Hex Cap Screws 316 Stainless Steel Proof load strength is 1751 1 4 7 x 5 1 2 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (15) . 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