Abstract： ASME B18.8.1:2014 pdf download.Clevis Pins and Cotter Pins(Inch Series). 2.9 Clevls Pin Marking Case hardened pins shall be marked with a capital “H’ located in the center of the top of the head. The manufacturer’s identification mark...

ASME B18.8.1:2014 pdf download.Clevis Pins and Cotter Pins(Inch Series).

2.9 Clevls Pin Marking

Case hardened pins shall be marked with a capital “H’ located in the center of the top of the head. The manufacturer’s identification mark shall also be located anywhere on top of the head. Marka may be raised or indented.

3 GENERAL DATA — COTTER PINS

3.1 Cotter Pin Application

The cutter pins specified are intended for use with devis pins contained herein and in pinned bolt and nut assen’iblies or other type of free-fitting pinned assemblies in general applications.

3.2 Cotter Pin Head Design

A degree of leeway shall be permissible in the design of the head provided; however, the specified minimum outside diameter is maintained as specified in Table 4.

3.3 Cotter Pin Length

3.3.1 Cotter Pin Measurement. The length of pin. L. shall be measured, parallel to the axis of the pin, from the plane of contact

of a gage (see Fig. 1) with the head of the pin to the end of the prong or pin as depicted in the illustrations For the respective points types. The gage Jiall have a hole equal to the specified gage hole diameter (see Table 4) within a tolerance of ±41001 in. The permissible break or rounding at the gauging edges of gauging holes shall not exceed 0.005 in. The pin shall be inserted into

the gage with finger pressure (force not to exceed 8 oz).

When  pins having point types other than those illustrated herein are gauged, the length, t, shall be measured from the plane of

contact of the gage with the end of the shortest prong.

3.3.2 Cotter Pin Tolerance on Length. The tolerance cm length of cotter pins shall be as specified in Table 3.

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