What are the different types of cotter pins?
The cotter pin has the following major types:
- Split cotter pins.
- R-pins or R-clips.
- Standard Cotter Pin.
- Spring Cotter Pin.
- Barrel Cotter Pin.
- Dipped Cotter Pin.
- Straight Cotter Pins.
- Cotter Pin with a Key.
How do I choose a cotter pin?
Remember you want the length to be enough that there is minimal chance the pin will come free. At Caleb Components we provide cotter pins in a wide selection of sizes to suit different applications. They range from the small 1.6mm x 10mm to vastly larger 13mm x 160mm.
What is the difference between a cotter pin and a split pin?
Cotter pins are made of mild steel and are used for locking nuts at the place. Whereas Split pins are made up of harder grade steel. It is once inserted into the hole to lock the nut.
What is cotter pin used for?
Cotter pins are wire formed pins with two prongs that separate during installation. They are used as a locking device to hold pins or castle nuts in place. These low-cost and highly versatile fasteners are used virtually everywhere.
Why are cotter pins called cotter pins?
cotter (n.) “wedge-shaped piece or bolt which fits into a hole used in fastening or tightening,” 1640s, of uncertain origin; perhaps a shortened form of cotterel, a dialectal word for “cotter pin or bolt, bracket to hang a pot over a fire” (1560s), itself of uncertain origin.
What is a hairpin cotter pin?
Hairpin Cotter Pins, often referred to as hitch pin clips, R-clips, or R-keys, secure the ends of hitch pins by being inserted into a hole at the end of the hitch pin to eliminate the chance of the pin falling out. Designed to work with the groove or hole at the tip of a hitch pin. This pin locks larger pins in place.
What is a clevis fastener used for?
Clevis pins are used as a quick and secure fastener in place of bolts and rivets. Designed with both a flat or domed head on one end and cross-hole at the other, a clevis pin is inserted through the holes at the pronged ends of a clevis and is kept in place by a cotter pin.
What does a split pin look like?
A split pin, also known in the United States of America 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.
What are R clips used for?
R-clips are commonly used to secure the ends of round shafts such as axles and clevis pins.
Why are they called cotter pins?
cotter (n.) “wedge-shaped piece or bolt which fits into a hole used in fastening or tightening,” 1640s, of uncertain origin; perhaps a shortened form of cotterel, a dialectal word for “cotter pin or bolt, bracket to hang a pot over a fire” (1560s), itself of uncertain origin. Cotter-pin is attested by 1849.
Are there different grades of cotter pins?
Aluminum Cotter Pins (Grade 5056) – several variant sizes for each diameter category standard; diameter categories are 1/16”, 3/32”, 5/32”, 3/16”, ¼”, 5/16” and 3/8”
What is the size of hairpin?
Hairpin Cotter Pins & Cotter Pins
| Use On Shaft Size | Product Code | (A) |
|---|---|---|
| 3/16 – 1/4 | HP-2102 | 15/16 |
| 5/16 – 3/8 | HP-2104 | 1-7/16 |
| 3/8 – 7/16 | HP-2105 | 1-7/8 |
| 1/2 – 5/8 | HP-2106 | 2-3/8 |
What types of cotter pins are available?
Cotter pins include the well-known Hair Pin Cotters, as well as our unique inventions: Bow-Tie Locking Cotters, Rue-Ring Locking Cotters and Infinity S-hooks. A number of rings are available to suit different applications in both steel/zinc plated and stainless steel.
What is the purpose of a cotter pin on an axle?
The axle is inserted into the hole so that the axle’s flat is parallel to and facing the overlap. The cotter pin is inserted so that its flat faces the axles flat. Installing the pin wedges the shaft against the sides of the hole and prevents it from turning.
How is the length of a cotter pin measured?
The way the length of a cotter pin is measured depends on the style of the points. The measurement begins at the point where the large end meets the hole into which the pin is inserted. It ends for pins with miter or bevel point ends, at the end of the farthest point of both prongs
What is the difference between a hammerlock and a cotter pin?
Cotter pins are ordinarily secured by spreading the prongs. The prongs of hammerlock pins are spread by striking the head with a hammer. In some applications, the spread prongs can be a problem because they can catch on such things as pant legs. If so they can be covered with epoxy.