5/16"-18x3/4" Square Head Bolt Grade A307 Zinc Clear - 10 pack

5/16"-18 × 3/4" Square Head Bolt – Grade A307 – Zinc Clear 10 Pack

A durable, fully threaded square-head bolt manufactured from low-carbon steel and finished with clear zinc for corrosion resistance. The square head provides a broad gripping surface and makes these bolts useful for repair, fabrication, machinery, automotive, agricultural, and general-purpose fastening applications.

Specifications: 5/16"-18 coarse thread, 3/4" length measured under the head, ASTM A307 Grade A low-carbon steel, clear zinc finish, fully threaded, 18 TPI, Class 2A thread, and 1/2" wrench size.