Retaining Rings for Shallow Groove Depths
Smalley’s Hoopster Retaining Rings offer an innovative way to retain mechanical components when space is a problem. Hoopsters have a minimal radial projection and a shallow groove depth.
Hoopsters are available from .375″ to 3″ or 10 mm to 73 mm in both carbon and 302 stainless steel. The low profile Hoopsters are ideal for applications with thin wall cylinders. The ring ends flex for simplified assembly and removal with no custom tools required.

Smalley’s Hoopster Retaining Rings offer an innovative way to retain mechanical components when space is a problem.
Readily Available
- Standard in Carbon and 302 Stainless Steel
- Coiled from Flat-Wire – Not stamped
- Suitable for Medium or Light Loads
- Stock sizes in both Imperial and Metric;
- .375″ to 3″ and 10 mm to 73 mm
- No Tooling Charges for Customs;
- .200 to 120″ and 5 mm to 3000 mm
Smalley
www.smalley.com