6 x 1 1/4 Square Bugle Coarse Drywall Screws Phosphate Coated - Carton (8000)

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

9/16-12 x 2 1/4 Grade 8 Hex Cap Screw Plain Domestic USA (200)

the hardness rating is HRC 24-35

1 1/8-7 x 13 Socket Cap Screw Alloy

7/16-20 x 3 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (275) 1/2-13 Hex Tap Bolts Silicon Bronze 6 x 1 1/4 Square7 16 20 x 3 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (275) . 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