Stud Receivers | McMaster-Carr

Also known as poodle rings, these thick rings have "ears" that form a large retaining surface to withstand stronger forces than other side-mount retaining rings.

Single-Turn Spiral External Retaining Rings

Slide these rings into place with one twist—no tools required—for applications with high thrust loads.

Push-On Internal Retaining Rings

No groove required—these rings have teeth that firmly grip the bore.

Single-Turn Spiral Internal Retaining Rings

Slide these rings into place by hand with a single twist for applications with high thrust loads.

Rectangular Push Nuts

Also known as flat-style speed nuts, these have large sides, so they're easy to push over threads by hand.

Rectangular Push Nuts for Tapping Screws

Side-Mount External Retaining Ring Assortments

Also known as E-Style and C-style rings, slide these into the groove from the side of the shaft. They provide a wider shoulder than other external retaining rings for a larger retaining surface.

Tag Rings

Loop these rings onto tags.

Fasteners

Push-On External Retaining Rings

Rectangular Push-On External Retaining Rings

Push-On Retaining Caps

Side-Mount External Retaining Rings

Wide-Grip Side-Mount External Retaining Rings

Single-Turn Spiral External Retaining Rings

Push-On Internal Retaining Rings

Single-Turn Spiral Internal Retaining Rings

Rectangular Push Nuts

Rectangular Push Nuts for Tapping Screws

Side-Mount External Retaining Ring Assortments

Tag Rings

Tag Rings

Socket Retaining Rings

Two-Piece Socket Retaining Rings

One-Piece Socket Retaining Rings