ASTM A307 Carbon steel bolts, studs and threaded rod, 60 ksi

Is ASTM A307 still current?

Yes. ASTM A307-21 is the latest edition MechAtlas found (MechAtlas review: 27 October 2026). Check the publisher for amendments before you specify it.

What it covers

Low-carbon steel inch bolting.

Parts that use ASTM A307

• Hex head bolt (partly threaded) (USA (ASME / ASTM), material)
  Bolt with a hexagon head and a plain shank part, used with a nut to clamp flanges, brackets and machine parts.
  Grades: Grade A / B
  Low carbon steel bolts, studs and threaded rod, 60 ksi.
• Stud bolt / threaded rod (USA (ASME / ASTM), material)
  Rod threaded at both ends or full length, used with two nuts for flanges, housings and long clamps.
  Grades: Grade A / B
  Low-strength carbon steel studs and threaded rod.

Official source

MechAtlas does not reproduce standards. Check the official edition at the publisher's page for ASTM A307 or the ASTM store.

Other fasteners & threads standards

• DIN 125-1 Replaced
  Washers, product grade A, up to 250 HV
• DIN 1481 Replaced
  Heavy spring pins (old)
• DIN 2999-1 Replaced
  Whitworth pipe threads (old)
• DIN 6325 Replaced
  Hardened parallel pins m6 (old)
• DIN 6914 Replaced
  HV hex bolts for steel structures (old)
• DIN 7 Replaced
  Parallel pins (old)
• DIN 7337 Replaced
  Break mandrel blind rivets (old)
• DIN 7991 Replaced
  Hexagon socket countersunk head screws
• DIN 9021 Replaced
  Washers, outside diameter about 3 x thread
• DIN 912 Replaced
  Hexagon socket head cap screws (ISO 4762 modified)
• DIN 913 Replaced
  Hexagon socket set screws, flat point (ISO 4026 modified)
• DIN 916 Replaced
  Hexagon socket set screws, cup point (ISO 4029 modified)

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