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The PROTO JRR10040 is a socket retaining ring designed for use with 1-inch drive sockets. It seats in the groove of the socket to secure the socket onto the drive tool, preventing accidental disengagement during operation. The ring fits a 2.5-inch groove diameter, has an overall ring diameter of 2.71 inches, and stands 0.21 inches high. This type of retaining ring is a standard component used by mechanics, industrial maintenance technicians, and tool-room professionals who work with heavy-duty 1-inch drive socket sets.
This retaining ring is suited for industrial and professional shop environments where 1-inch drive tooling is in regular use. Typical applications include heavy equipment maintenance, fleet repair, and manufacturing floor assembly where large fastener sizes require 1-inch drive sockets. The JRR10040 is sold individually and is a direct replacement for worn or lost OEM-style socket retaining rings in existing 1-inch drive socket sets.
Designed as an OEM-style replacement retaining ring for 1-inch drive sockets with a 2.5-inch groove diameter.
Installation is typically performed by a mechanic or tool technician using snap-ring pliers appropriate for the ring diameter. Ensure the socket and drive tool are free of grease or debris in the groove area before seating the ring. Confirm the ring is fully seated in the groove before applying the socket to a fastener. Do not reuse a retaining ring that shows signs of deformation or cracking.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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