Split Pin Cotter Pin Dimensions

American standard cotter pin sizes are in nominal fractional inches starting at 1 32.

Split pin cotter pin dimensions.

A offset end b height of eye d diameter split l length split c width of the eye makings. Lengths are not standardized. There are 18 american standard sizes of cotter pins. The british definition of cotter pin is equivalent to u s.

Shape of the split pin ends at the manufacturer s discretion. Cotter pin dimensions din 94 split pins equivalent norms. The way the length of a cotter pin is measured depends on the style of the points. Our specifications follow din 94 which is equivalent to iso 1234 and bs 1574.

It is commonly split in the middle and has two tines that can be bent around the nut or bolt to secure machinery. Due to the loose fit required for cotter pins the metric range doubles for inch sizes. The sizes below 5 16 inch are intended to fit a hole 1 64 inch larger than the pin size. The sizes below 5 16 inch are intended to fit a hole 1 64 inch larger than the pin size.

A cotter pin is a fastener that is placed through two holes on one end of a clevis pin. For the split pin hole tolerance h13 is recommended for d nom 1 2 mm and tolerance h14 for d nom 1 6 mm and above. A split pin also known in the united states as a cotter pin or cotter key is a metal fastener with two tines that are bent during installation similar to a staple or rivet typically made of thick wire with a half circular cross section split pins come in multiple sizes and types. It is used for locking and to hold an object in place.

Table according to iso 1234. The nominal length l is with tolerance js17. Also referred to as split pins american standard cotter pin sizes are in nominal fractional inches starting at 1 32. The biggest standard cotter pin available has a diameter of of an inch.

Lengths of cotter pins aren t standardized so you should shop around to get the best option for you. The sizes start super small with a diameter of 1 32 of an inch. The cadmium plated carbon steel cotter pins meet qq p 416 type ii class 3 specifications while phosphate coated cotter pins meet mil p 16232 type z class 3 specifications. Our ms24665 series cotter pins are specially designed for the aerospace industry and have either a phosphate or cadmium plating depending on their use.

Split pin cotter pin iso 1234 din 94 nen 182 nf e25 774 technical data.