5/16-24 x 4 Grade 5 Hex Cap Screw Plain Domestic USA (50)

3/8-16 x 2 3/4 Grade 8 Hex Cap Screw Plain Domestic USA (400)

nylon insert locknuts can be reused more times than a two-way reversible nut

Lag screws longer than 12 inches will have a minimum thread length of 50% of the screw length up to a maximum of 8 inches

The built-in washer head eliminates the need for an additional washer

1/2-13 x 2 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (250) Reduced Shank Drill Bits - 1/2 Shank 5/16-24 x 4 Grade 51 2 13 x 2 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (250) . 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