Bulk 1-1/8"-7 Grade A Hex Bolts (A307, Coarse Thread, Zinc CR+3) Length:30 Qty - 1-1/8"-7 x 4" (PT) The combination of coarse threads

The combination of coarse threads

The fine thread (UNF) design offers greater tensile strength and better adjustment accuracy

Bulk Quantities: Perfect for large projects

Thread Profile: Fine (UNF) Thread for tight

Increased Bearing Surface: Teeth extend outward to provide a larger contact area

Bulk 1-1/8"-7 Grade A Hex Bolts (A307, Coarse Thread, Zinc CR+3) Length:30 Qty - 1-1/8"-7 x 4" (PT) The combination of coarse threadsBulk 1 1 8" 7 Grade A Hex Bolts (A307, Coarse Thread, Zinc CR+3) Strong and Reliable Fasteners for Construction, Industrial, and Structural Applications For applications requiring durable and high strength fasteners, trust 1 1 8" 7 ASTM A307 Grade A Hex Bolts. Manufactured from low carbon steel and zinc coated with Cr+3 for enhanced corrosion resistance, these bolts are a go to choice for construction, infrastructure, and general purpose fastening.