hollow or grout-filled concrete masonry

3/4-16 x 2 1/2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (90)

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

1 1/8-7 x 5 1/2 Socket Cap Screw Alloy

1-8 x 7 A325 Type 1 Heavy Hex Bolt Plain (25)

7/8-14 x 2 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (15) 1/2-13 A307 Grade A Carriage Bolts Hot Dipped Galvanized hollow or grout-filled concrete masonry7 8 14 x 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