Home > Fasteners > Bolts > Square Head Bolts > 5/16-18 x 4" (PT) Square Head Bolts, Coarse, A-307 Grade A, Zinc Cr+3
Square Head Bolts > 5/16-18 x 4" (PT) Square Head Bolts, Coarse, A-307 Grade A, Zinc Cr+3

5/16-18 x 4" (PT) Square Head Bolts, Coarse, A-307 Grade A, Zinc Cr+3

Part Number #730063

South Coast Fasteners supplies 5/16-18 x 4" (PT) Square Head Bolts, Coarse, A-307 Grade A, Zinc Cr+3. Zinc-plated carbon steel that handles everyday indoor and light outdoor exposure.

Part of our Square Head Bolts line, used across Automotive, Construction, Manufacturing, and Marine & Offshore. Held in inventory with competitive pricing and fast shipping. Get in touch with sizing questions or to order.
Package Quantity
Package Quantity:  0
  • A-307 Grade A Square Head Bolts, Zinc Cr+3 finish, 5/16-18 x 4" (PT), Coarse thread

730063 Specifications

  • Diameter: 5/16"
  • Thread Pitch: 18
  • Length: 4" (PT)
  • Thread: Coarse
  • Material: A-307 Grade A
  • Finish: Zinc Cr+3