Retaining Rings

Smalley retaining rings are available off the shelf in carbon steel, 302 stainless steel, and 316 stainless steel. Unlike a die-stamped circlip/retaining ring, a Spirolox® Retaining Ring (a spiral retaining ring) and a Constant Section Retaining Ring (snap ring) are coiled on edge to the exact diameter required. Spirolox Retaining Rings have a uniform cross-section and are free of burrs. Spirolox Retaining Rings meet military and aerospace specifications and are found in thousands of mechanical products around the world. Smalley offers spiral retaining rings and snap rings for both internal and external ring applications. Smalley also manufactures Laminar Seal Rings. A Smalley Laminar Seal Ring is a metallic labyrinth seal consisting of multiple rings in a groove.

  • Spirolox Retaining Rings have No Ears to Interfere® with mating components
  • Smalley Constant Section Snap Retaining Rings are Circular-Grain, coiled not stamped
  • Over 6,000 standard retaining rings (1/4" to 16", 6 mm to 400 mm diameters) in Carbon and Stainless Steel 30 series available Internal (housing) and external (shaft) retaining rings available No Tooling Charges™ on custom retaining ring designs (.157" to 120", 4 mm to 3000 mm diameters)
  • Exotic alloys available
  • Easy to install and remove when compared to a standard retaining ring or circlip

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