ISO 2338 / 8734 / 8752 / 1234 Dowel, spring and split pins

Is ISO 2338 / 8734 / 8752 / 1234 still current?

Yes. ISO 2338:1997; ISO 8734:1997; ISO 8752:2009; ISO 1234:1997 is the latest edition MechAtlas found (MechAtlas review: 23 October 2026). Check the publisher for amendments before you specify it.

What it covers

Dowel, spring and split pins

Equivalent and related standards

“Similar” never means interchangeable without an engineering check.

Parts that use ISO 2338 / 8734 / 8752 / 1234

• Dowel / parallel pin and spring pin (ISO / EN, main)
  Precision pin that locates two parts; spring pins are slotted tubes pressed into holes.
  Parallel pin ISO 2338 - 8 m6 x 30 - St; Dowel ISO 8734 - 8 x 30 - A
  ISO 2338 unhardened; ISO 8734 hardened; ISO 8752 heavy spring pin.
• Split pin / cotter pin (ISO / EN, main)
  Folded wire pin through a hole in a bolt or clevis pin, legs bent to stop the nut or pin coming out.
  Split pin ISO 1234 - 5 x 40 - St
  Use ISO 1234 (split pins) from this group.

Official source

MechAtlas does not reproduce standards. Check the official edition at the publisher's page for ISO 2338 / 8734 / 8752 / 1234 or the ISO 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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