![]() ![]() Slotted spring pins are also known as roll pins. Slotted Spring Pins are cylindrical pins rolled from a strip of material with a slot to allow the pin to have some flexibility during insertion. Spring PinsĪ Spring Pin is a type of fastener that secures the position of two or more parts of a machine relative to each other. Contact us today to learn more or request a quote. Bayou City Bolt, leading taper pins distributor, is able to assist you in all your needs. Taper Pins are available in steel and 18-8 stainless steel. Typically used as an aid in hole alignment. Taper PinsĪ Taper Pin is a steel rod with one end having a slightly larger diameter than the other. A dowel pin may have a smaller diameter than its hole so that it freely slips in, or a larger diameter so that it must be pressed into its hole. ![]() Steel Dowel Pins are manufactured to tight tolerances, designed to fit within corresponding precision drilled holes. Dowel PinsĪs a leading dowel pins distributor, Bayou City Bolt is able to assist you in all your needs. Dowel Pins are often used as precise locating devices in machinery. This will help to reduce wear and tear, which will decrease the failure rate of the pin and clevis. As a clevis pins supplier, Bayou City Bolt is able to assist you in all your needs. The tab allows for easy installation of the pin and the cross-hole allows the pin to be tie-wired.Ĭlevis Pins should be closely fitted to the holes in the clevis or shackle. The head has a flange at the base with a with a cross-hole through the tab. Threaded Clevis Pins are partially thrreadeeaded on one end with a formed head on the other. A Cotter Pin is used to keep the Clevis Pin in place. Unthd Clevis Pins have a domed head at one end and a cross-hole at the other end. There are two main types of Clevis Pins: threaded and unthreaded. As a cotter pins supplier, Bayou City Bolt is able to assist you in all your needs. ![]() Another common application of Cotter Pins is when they are used to secure Castle or Slotted Nuts. Split pins are frequently used to secure other fasteners, such as clevis pins. Save my name, email, and website in this browser for the next time I comment.Cotter or Split Pins are typically made of soft metal which makes them easy to install and remove, but also makes it inadvisable to re-use them or use them to resist strong shear forces. This type of cotter has been largely replaced by splines and square shafts. This is used to draw the cotter into the hole and retain it in position. Cotters might have a threaded shaft protruding from the narrower end of the taper. Conventionally, it’s been used to attach cranks onto shafts (say, for example, on bicycles and steam engines). This brings us to the traditional cotter pin, which is a wedge that’s driven or drawn into a hole. Key rings are a common application for this type of fastener although they may also be used to retain pins and shafts. Essentially, it’s a wire loop that extends beyond 360 degrees allowing it to be threaded through a hole. Split ring: These components are also called a circle cotter or cotter ring. A finger can be inserted through the ring at the head to pull the pin out of the hole. The straight section may be pushed through a hole in a shaft, while the curved section clips around the outside of the shaft, retaining the pin in place. They’re sprung pins with a straight section that bends to form a ring at the head, with a curved section offset from the straight pin. R-clips or R-pins: These pins are sometimes referred to as hairpin cotters. The bent end is formed into an enlarged end and the double end can be bent outwards to prevent the pin being removed. The pins are usually manufactured from a half-circular profile so that the two ends together form a circle, which fits into the hole. Split pins: Often called cotter pins, split pins are bent in half so that both ends may be inserted through the same hole. Here are a few of the different types of fasteners that are also considered cotter pins: However, the term “cotter pin” is also sometimes referred to as a split pin, an R-clip, or a circle cotter. The tapered nature of this pin means that it’s compressed as it is driven into the hole, causing friction, which prevents it from working loose. They’re either a wedge or tapered pin that’s driven into a hole. A selection of fasteners that are referred to as cotter pins (from left to right): Traditional tapered cotter as used on a steam engine, a cotter with a threaded section, as used on a bicycle crank, a split pin, an R-clip, and a split ring.Ĭotter pins are typically used to prevent axial movement along a shaft. ![]()
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