Hoopster(R) Retaining Rings

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 76 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.

• 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 76 mm
• No Tooling ChargesTM for Customs; .157" to 120" and 4 mm to 3000 mm
• Free samples on standards

Internal Hoopster Retaining Rings

Smalley's Hoopster Retaining Rings are available with or without a removal provision. A removal provision is highly recommended when easy removal from the application is desired. No removal provision is designated with a "U" suffix.

External Hoopster Retaining Rings

HS (Imperial) & HSM (Metric)

Request Samples

Request free samples of any of our standard parts to test in your application.

Application

Thin Walled Cylinder

HH Series with a Removal Provision

HHU Series without a Removal Provision