Tensile strength on diameters 1/4 to 2 1/2 inches is a minimum of 150

3/8-24 x 3/4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (1100)

7/16-20 x 7/8 Grade 5 Hex Cap Screw Plain Domestic USA (700)

1 5/8-12 A194 2H Heavy Hex Nut Plain

7/16-14 x 4 Hex Cap Screw SS 316 (A4)

9/16-12 x 2 3/4 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (150) Nylon Insert Locknuts 18-8 Stainless Steel Tensile strength on diameters 1/49 16 12 x 2 3 4 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (150) . 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