1/4-28 x 2 1/4 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (100) 5/8-11 Socket Cap Screws 18-8 Stainless Steel 5/8-11 x 5 1/4 Hex

5/8-11 x 5 1/4 Hex Cap Screw SS 316 (A4)

316 stainless steel differs from 18-8 by it's molybdenum content (2-3%) and a higher nickel content (10-14%)

Drilling thickness capacity: up to 0

000 psi for diameters between ¼ to 2 ½ inches and 140

Hardness for plain and zinc plated washers is HRC 38-45 and HRC 26-45 for hot-dip galvanized washers per ASTM F436

1/4-28 x 2 1/4 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (100) 5/8-11 Socket Cap Screws 18-8 Stainless Steel 5/8-11 x 5 1/4 Hex1 4 28 x 2 1 4 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (100) . 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