High red hardness of cobalt permits speeds 30% greater than standard heavy duty split point (HSS) drills

50 x 20 Socket Set Screw Cup Point DIN 916 Black Oxide Alloy

5/8 x 2 1/2 Hex Lag Screw 18-8 SS

3/8 x 2 Round Split Drive Anchor Zinc Plated (25)

7/8 Flat Washer Silicon Bronze

1/4-20 x 4 1/2 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (450) Simpson Zinc Nailon™ Pin Drive Anchor Carbon Steel Pin High red hardness of cobalt1 4 20 x 4 1 2 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (450) . 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