Spring Steel Speed Nuts | McMaster-Carr

The wide flange provides better load distribution than standard external push rings and can be used to cover oversized holes. Also known as thread cutting nuts.

Side-Mount External Retaining Rings

Also known as E-style rings.

Wide-Grip Side-Mount External Retaining Rings

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

Hex Push Nuts

Hex push nuts can be gripped with a wrench for ease of removal.

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

Push-On Retaining Caps

Rectangular Push-On External Retaining Rings

Flanged Push-On External Retaining Rings

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

Hex Push Nuts

Side-Mount External Retaining Ring Assortments

Tag Rings

Tag Rings

Socket Retaining Rings

One-Piece Socket Retaining Rings

Two-Piece Socket Retaining Rings