9/16-12 x 2 Grade 8 Hex Cap Screw Plain Domestic USA (25)

Typical hardness on diameters 1/4 to 1 inch is HRC 25-34

7/8-14 x 2 Hex Cap Screw SS 18-8 (A2)

9/16-18 x 1 3/4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (25)

then break off as point engages the steel substrate

5/8-11 x 4 1/2 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (80) Phillips Modified Truss Wire Lath Screws 410 Stainless Steel 9/16-12 x 2 Grade 85 8 11 x 4 1 2 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (80) . 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