Split Pin Cotter Pin Dimensions

The way the length of a cotter pin is measured depends on the style of the points.

Split pin cotter pin dimensions. The british definition of cotter pin is equivalent to u s. Table according to iso 1234. Due to the loose fit required for cotter pins the metric range doubles for inch sizes. Our ms24665 series cotter pins are specially designed for the aerospace industry and have either a phosphate or cadmium plating depending on their use.

For pins larger than that the pin and hole size are the same. American standard cotter pin sizes are in nominal fractional inches starting at 1 32. The sizes start super small with a diameter of 1 32 of an inch. 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.

The sizes below 5 16 inch are intended to fit a hole 1 64 inch larger than the pin size. 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 specifications follow din 94 which is equivalent to iso 1234 and bs 1574. It is used for locking and to hold an object in place.

Lengths are not standardized. The sizes below 5 16 inch are intended to fit a hole 1 64 inch larger than the pin size. Shape of the split pin ends at the manufacturer s discretion. It is commonly split in the middle and has two tines that can be bent around the nut or bolt to secure machinery.

Lengths of cotter pins aren t standardized so you should shop around to get the best option for you. A cotter pin is a fastener that is placed through two holes on one end of a clevis pin. The biggest standard cotter pin available has a diameter of of an inch. There are 18 american standard sizes of cotter pins.

A offset end b height of eye d diameter split l length split c width of the eye makings. For pins larger than that the pin and hole size are the same. Split pin cotter pin iso 1234 din 94 nen 182 nf e25 774 technical data. Technifast s range of split cotter pins are stocked in diameters of 1mm to 13mm in mild steel usually zinc plated stainless steel a4 and brass.

Cotter pin dimensions din 94 split pins equivalent norms.