Proto JRR37512 Socket Retaining Ring 3/8 Inch Drive

Product Description

The PROTO JRR37512 is a socket retaining ring designed for use with 3/8 inch drive sockets. It seats in the groove of a socket to secure it to the drive tool, preventing the socket from slipping off during use. The ring has a groove diameter of 1.2 inches, an overall ring diameter of 1.275 inches, and a height of 0.075 inches. Mechanics, industrial maintenance techs, and tool service professionals install these rings when replacing worn or missing retaining hardware on drive sockets. Sold individually.

Socket retaining rings are standard hardware in professional tool kits across automotive, industrial, and general mechanical applications. The JRR37512 fits the 3/8 inch drive standard, making it appropriate for the wide range of 3/8 inch drive sockets used in light to medium duty fastening work. This ring is suited for bench repair of existing sockets as well as new assembly where a retaining ring has been lost or damaged.

Key Features

• 3/8 inch drive size fits standard 3/8 inch drive socket groove profiles
• 1.2 inch groove diameter with 1.275 inch overall ring diameter for secure retention
• Low-profile at 0.075 inches height, maintaining a compact socket assembly
• Sold as a single unit for targeted replacement without excess inventory

Compatibility

Designed as an OEM-style replacement retaining ring for 3/8 inch drive sockets with a 1.2 inch groove diameter.

Installation Notes

Installation is performed by hand or with snap ring pliers appropriate for external retaining rings. No power tools or special torque requirements apply. Ensure the socket groove is clean and free of debris before seating the ring to achieve proper retention. Inspect the ring for deformation before installation and replace if the ring does not seat flush in the groove.