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Clevis Pin Sizes Chart according to ASME B18.8.1 standard.
- Material and heat treatment: Clevis pins shall be made from low carbon steel
unless otherwise specified. Case hardened pins shall
have a case depth of 0.010 to 0.016 in.
- The axis of
hole through shank shall not be offset from the axis
of pin by more than 0.010 in. for the 3/16 and
1/4 in. nominal pin size and 0.020 in. for all larger pin
- The tabulated length
apply to pin intended for use with standard clevises,
- Designation: Name, Nominal Size, Length, Material and Finish. Ex: Pin, Clevis, 1/4 x 0.77, Steel, Zinc Plated
Note 1: Pin Length tabulated is intended for use with standard clevis, without spacers. When other lengths
are required, it is recommended that they be limited wherever possible to nominal lengths in 0.06-inch
Note 2: Basic J dimension is specified for calculating hole location from underside of head
on pins of lengths for non standard length clevis pins.
Note 3: For M, reference dimension provided for convenience in design layout and is not subject to inspection.
All dimensions are in inches
Cotter Pin: A pin that is fitted through a hole and then bent backwards to lock the pin in place.
Cotter pins are used to lock clevis pins.