Slightly different than carriage bolts

7/8-9 x 2 1/4 Socket Cap Screw Alloy

7/8-14 x 4 Grade 5 Hex Cap Screw Plain Domestic USA (15)

5/8-11 x 5 1/2 Hex Cap Screw SS 18-8 (A2)

1 1/8-7 x 7 1/2 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (15) 3/4-10 Socket Set Screws Cup Point 18-8 Stainless Steel Slightly different than carriage bolts1 1 8 7 x 7 1 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