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Tech Specifications

SKU: HSM-21-S02

Series: HSM

Ring Type: External

Units: Metric

Ring Style: Hoopster (Thin Wall)

Shaft Diameter: 21.00 mm

Groove Yield: 3,117 N

Groove Diameter: 20.39 mm

Groove Width: 2.36 mm

Material: 302 Stainless Steel

Number of Turns: 1

Ring Radial Wall: 0.61 mm

Ring Thickness: 2.24 mm

Free Inside Diameter: 19.97 mm


The HSM Series metric Hoopster Retaining Rings are a low profile retaining ring that are ideal for thin wall cylindars.