Knipex 4621A11 External Retaining Ring Pliers 5 in

Product Description

The KNIPEX 4621A11 is a bent-nose external retaining ring pliers designed for installing and removing external retaining rings in tight or angled access points. Built with a forged steel body and a 90-degree bent tip, this tool delivers controlled placement without slipping off the ring. The tip diameter measures 1.30 mm (0.051 inches), and the tool has an overall length of 5 inches. The solid forged construction and oil-hardened tips resist wear under repeated use. Plastic handles provide grip during extended work. Licensed technicians and mechanical trades use this pliers for assemblies where straight-nose tools cannot reach the retaining ring seat.

This tool is suited for mechanical, HVAC, and plumbing service work involving shaft-mounted or bore-mounted external retaining rings. The 90-degree bent nose makes it useful in recessed housings, motor shafts, and other locations where direct axial access is blocked. The 5-inch overall length keeps the tool compact enough for tight panel and equipment interiors. It is a single-piece, solid-style pliers — not a convertible or interchangeable-tip design — which adds rigidity when seating rings under load.

Key Features

• Bent nose at 90 degrees for angled access to external retaining ring grooves
• Tip diameter of 1.30 mm (0.051 inches) for precise ring engagement
• Oil-hardened tips for extended service life under repeated use
• Forged steel body for rigidity and durability
• Non-slip plastic handles for secure grip during installation and removal
• Meets DIN 5254 B standard for retaining ring pliers

Compatibility

Designed for use with external retaining rings in applications requiring a 90-degree bent-nose approach. Refer to the DIN 5254 B standard and the ring manufacturer's specifications to confirm tip size compatibility with the target ring groove.

Installation Notes

This tool is used by mechanical and service trades working on shafts, bearings, and housings secured with external retaining rings. Always relieve system pressure, de-energize equipment, and secure the workpiece before removing or installing retaining rings. Eye protection is required — retaining rings can eject under spring tension. Do not use the pliers as a pry tool or apply side loads beyond the intended ring-seating motion.