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Tech Specifications

SKU: DNH-78-S02

Series: DNH

Ring Type: Internal

Units: Metric

Ring Style: Spirolox (Spiral)

Housing Diameter: 78.00 mm

Groove Yield: 57,021 N

Ring Shear: 162,870 N

Groove Diameter: 81.00 mm

Groove Width: 2.65 mm

Material: 302 Stainless Steel

Rating: Heavy Duty

Number of Turns: 2

Ring Radial Wall: 5.08 mm

Ring Thickness: 2.41 mm

Alternative Ring Groove: DIN 472

Free Outside Ring Diameter: 81.69 mm


The DNH Series Spirolox Retaining Ring is Smalley's equivalent to the European or "Hard" metric retaining  ring series. With their 2-turn offset configuration, these spiral rings will fit into the grooves established by DIN specifications.