Here are the three types of wire wrist-pin locks; from left, Tru Arc or snap ring, round-wire clips and a Spirolox, which is sometime called a spiral retaining ring. There are different styles of the round-wire clip, often called a circlip. Note the tang on the upper style to help with installation.

Spiral retaining rings have no protruding burrs or Ears-to-Interfere® with mating components in an assembly. They are manufactured by coiling the ring from flat wire in a variety of materials and produce no scrap which makes then economical and quick to produce in carbon steel, stainless steel, copper and many other alloys.

Retaining Rings As the leader and innovator in the retaining ring market, Smalley offers thousands of retaining rings to meet any application requirements. Smalley retaining rings are available off the shelf in carbon steel, 302 stainless steel, and 316 stainless steel. Spirolox® Retaining Ring (Spiral Retaining Ring) Shop Now »

Spiral Retaining Rings are designed for weight and space-saving applications. This form of retaining rings or circlip often used to fasten assemblies on shafts 

5/15 · Spirals are manufactured by coiling the ring from flat wire. Because coiling produces a retaining ring with no scrap, the Smalley Ring can be economically produced in carbon steel, stainless steel,

Spirolox — something referred to as wristpin clips or spiral retaining rings — are used to secure pistons and wrist pins to connecting rods. Using Spirolox on each side of the wrist pins is a popular method on high performance and racing engines. Unfortunately, installing Spirolox can be a challenge — at least initially.

Daemar Inc - Essential Components For Industry. Since 1973. Catalog

Spiral retaining rings are commonly used for shafts (external), housing/bores (internal), and bearing retention—or any application 

The Spiral Retaining Ring, manufactured by Rotor Clip Company, is designed to inch and metric requirements. This ring has is axially installed into machined 

Contact Arcon Ring for additional inquiries or custom-design your own spiral retaining ring right on our site! Internal & External Spiral Retaining Rings Retaining Ring Sizes: 0.500″ to 15.00″

Spirolox Retaining Rings are coiled, not stamped, providing greater design flexibility. All SpiroloxRetaining Rings are coiled using our unique