Unique 4-corner thread form with raised-ridge technology greatly reduces driving torque

3/4-10 x 4 1/2 Hex Cap Screw SS 18-8 (A2)

50 x 40 Socket Cap Screw 12

1 3/4-5 x 4 1/2 Socket Cap Screw Alloy

7/16-20 x 3 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (50)

7/16-20 x 1 1/2 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (50) 3/8-16 Socket Cap Screws Alloy Unique 4-corner thread form with7 16 20 x 1 1 2 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (50) . 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