Home > Fasteners > Bolts > Square Head Bolts > 5/16-18 x 2 1/2" (PT) Square Head Bolts, Coarse, A-307 Grade A, Zinc Cr+3
Square Head Bolts > 5/16-18 x 2 1/2" (PT) Square Head Bolts, Coarse, A-307 Grade A, Zinc Cr+3

5/16-18 x 2 1/2" (PT) Square Head Bolts, Coarse, A-307 Grade A, Zinc Cr+3

Part Number #730057

South Coast Fasteners supplies 5/16-18 x 2 1/2" (PT) Square Head Bolts, Coarse, A-307 Grade A, Zinc Cr+3. Carbon steel with a zinc finish for everyday corrosion protection in general-purpose work.

Part of our Square Head Bolts family, common across Automotive, Construction, Manufacturing, and Marine & Offshore. Kept in inventory and shipped quickly. Reach out if you need a hand selecting the right part.
Package Quantity
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  • A-307 Grade A Square Head Bolts, Zinc Cr+3 finish, 5/16-18 x 2 1/2" (PT), Coarse thread

730057 Specifications

  • Diameter: 5/16"
  • Thread Pitch: 18
  • Length: 2 1/2" (PT)
  • Thread: Coarse
  • Material: A-307 Grade A
  • Finish: Zinc Cr+3