What are Spring Clips and Their Types?

Several types of components may be referred to as spring clips, but typically the term applies to a Terry clip. These enable a cylindrical object to be rapidly attached and removed, by simply pushing it into the clip or pulling it out.

Spring clips, therefore, make ideal tool holders and are often used to hold hammers and screwdrivers on tool boards. They were initially used to hold a pump on the frame of a bicycle.

Typical spring clips are self-retaining, one-piece fasteners that slide into a mounting hole or onto a flange or panel edge. Secondary fastening devices such as rivets, studs or screws are not required because the clips are held in place by spring tension and cannot easily be loosened by vibration. The clips also compensate for tolerance build-up and misalignment.

The basic spring clip material is steel with 0.50 to 0.80% carbon. In general, fasteners are hardened to Rockwell C 45-50. By controlling the width and thickness of the steel, various spring tensions are achieved.

spring clips
Spring clips

A Terry clip consists of a strip of spring-loaded sheet metal, usually steel, which is shaped into a profile. This has a flat base with a hole where the clip is semi-permanently screwed to a surface. Curved sides extend upward from each end of the base so that they can receive and grip a cylindrical object.

The sides then open to provide guides that can be used to inaccurately push objects into the clip.

Other types of clips sometimes referred to as ‘spring clips’ include:

Transistor clips or gull-wing clips: Small sheet metal clips which screw down onto a circuit board to clamp a transistor to a heat sink.

R-clips or R-pins: A sprung pin, which has a straight section, is bent to form a ring at the head and then has a curved section returning offset from the straight pin. The straight pin is designed to be pushed through a hole in a shaft, the curved section then clips around the outside of the shaft, retaining the pin in place. A finger can be inserted through the ring at the head to pull the pin out of the hole.

Linchpin: A pin with a separate ring attached. Used in similar applications to an R-clip. The pin is inserted through a hole in a shaft and the ring is folded over to prevent the pin from being removed. The ring has each end attached to the pin with an offset, causing it to stay clipped in the open or closed position. Linchpins are only suitable for use at the end of a shaft whereas R-clips may be used anywhere along a shaft.

Spring hose clamps: A clamp designed to hold a hose onto a spigot, serving a similar purpose to a jubilee clip, but allowing rapid attachment and removal. The resting position of the clamp has a smaller diameter than the pipe being clamped and two handles are squeezed together to increase the diameter to enable fitting and removal.

FAQs.

What are spring clips called?

They are also known as terry clips and tool clips and are often available in bulk packs or kits for convenience.

Where are spring clips used?

Spring clips are regularly used in retaining and clamping applications as their strong grip is able to resist tension, movement and if they are attached between components in machinery, they can help to dampen vibration.

How does a spring clip work?

The pin is inserted through a hole in a shaft and the ring is folded over to prevent the pin from being removed. The ring has each end attached to the pin with an offset, causing it to stay clipped in the open or closed position.

What are those metal clips called?

Use. Carabiners are widely used in rope-intensive activities such as climbing, fall arrest systems, arboriculture, caving, sailing, hot air ballooning, rope rescue, construction, industrial rope work, window cleaning, whitewater rescue, and acrobatics. They are predominantly made from both steel and aluminum.

What are spring clips made of?

The basic spring-clip material is steel with 0.50 to 0.80% carbon. Generally, fasteners are hardened to Rockwell C 45-50. Varied spring tensions are obtained by controlling the width and thickness of the steel. Some other metals are used but cannot match the spring properties of high-carbon steel.

How are spring clips measured?

Springs clamps are measured from the jaws to the end of the handle. The length of this measurement will categorize the size of the spring clamps. These sizes vary from ¾ Inch to 9 inches or larger. The jaw opening measurement is known as the clamping capacity.

How are metal clips made?

Metal clips are usually formed through the process of metal stamping. Metals such as carbon steel, stainless steel, aluminum, or bronze are typically used in fabricating them. They can be made by way of a progressive die machine. Progressive die pressing is one of the most common of all stamping methods.

What is a batten clip?

A batten end clip secures to the top of the tiling batten and provides an aperture through which to securely drive a nail fixing. This opening grips the nail and provides the required pull-off resistance.

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How do foldback clips work?

A binder clip, less commonly known as a paper clamp or fold-over clip or bobby clip or clasp, is a simple device for binding sheets of paper together. It leaves the paper intact and can be removed quickly and easily, unlike the staple. This feature is used to hold the papers in place even better.

How do you make spring metal?

At its simplest, you shape the metal (in its normal or annealed state) into the desired spring shape. Next, you heat it red hot until it loses its attraction for a magnet. Then you quickly quench it in a suitable liquid that is often water, brine, 50/50 antifreeze, or oil.