ASTM A307 — Carbon Steel Bolts, Studs, and Threaded Rod

ASTM A307 covers low-carbon, non-heat-treated bolts, studs, and threaded rod — the general-purpose Grade A and B fasteners.

What It Covers

• Grade A (general purpose)
• Grade B (heavy hex, flanged joints)
• Tensile and hardness limits
• Applications

Related Fasteners

• Hex Bolt
• Threaded Rod
• Stud Bolt
• Hex Nut