ASME B18.8.1 — Clevis Pins and Cotter Pins

Standard: ASME B18.8.1

ASME B18.8.1 standardizes inch-series clevis pins and cotter pins — the headed pins and bent-wire locks used to secure linkages, hitches, and slotted nuts.

What It Covers

  • Clevis pin diameters and lengths
  • Cotter pin sizes and styles
  • Hammerlock and extended-prong pins
  • Recommended hole sizes

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