It is commonly split in the middle and has two tines that can be bent around the nut or bolt to secure machinery.
Split pin cotter pin dimensions.
Lengths are not standardized.
The biggest standard cotter pin available has a diameter of of an inch.
The sizes below 5 16 inch are intended to fit a hole 1 64 inch larger than the pin size.
Cotter pin dimensions din 94 split pins equivalent norms.
The sizes start super small with a diameter of 1 32 of an inch.
The sizes below 5 16 inch are intended to fit a hole 1 64 inch larger than the pin size.
Table according to iso 1234.
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 cotter pin is a fastener that is placed through two holes on one end of a clevis pin.
It is used for locking and to hold an object in place.
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.
A offset end b height of eye d diameter split l length split c width of the eye makings.
Our specifications follow din 94 which is equivalent to iso 1234 and bs 1574.
For pins larger than that the pin and hole size are the same.
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.
Shape of the split pin ends at the manufacturer s discretion.
Split pin cotter pin iso 1234 din 94 nen 182 nf e25 774 technical data.
The nominal length l is with tolerance js17.
American standard cotter pin sizes are in nominal fractional inches starting at 1 32.
Also referred to as split pins american standard cotter pin sizes are in nominal fractional inches starting at 1 32.
Due to the loose fit required for cotter pins the metric range doubles for inch sizes.
Lengths of cotter pins aren t standardized so you should shop around to get the best option for you.
Our ms24665 series cotter pins are specially designed for the aerospace industry and have either a phosphate or cadmium plating depending on their use.
The way the length of a cotter pin is measured depends on the style of the points.
There are 18 american standard sizes of cotter pins.
