hollow or grout-filled concrete masonry

3/8-16 x 3 3/4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (250)

7/8-14 x 3 Socket Set Screw Cup Point Alloy

Grade 8 Hex Cap Screws are manufactured from medium carbon alloy steel

5/16-24 x 4 1/2 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (300) 3/8-16 Grade 5 Hex Cap Screws Zinc Plated - Domestic USA hollow or grout-filled concrete masonry5 16 24 x 4 1 2 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (300) . 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