1/2 x 6 1/2 Mushroom Spike Zinc Plated (25)

15/32 x 12 High Speed Aircraft Bit Cobalt

Its deep cutting

7/8-14 Nylon Insert Locknut 18-8 SS

Thickness:

3/8-24 x 2 1/4 Grade 8 Hex Cap Screw Plain Domestic USA (450) Hex Sleeve Anchors Zinc Plated 1/2 x 6 1/2 Mushroom3 8 24 x 2 1 4 Grade 8 Hex Cap Screw Plain 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 diameters 1 4