Knipex 4411J1 Internal Retaining Ring Pliers 5.5 in

Product Description

The KNIPEX 4411J1 is a straight-head internal retaining ring plier designed for installing and removing internal snap rings in bores, housings, and assemblies. The tool measures 5.5 inches overall and features a 1.30 mm tip diameter with a 0.053-inch tip size, making it well suited for smaller internal ring applications. The steel body and plastic handle provide a durable, controlled grip during repetitive service work. Machinists, mechanics, HVAC technicians, and industrial tradespeople reach for this plier when working inside tight bores where precise tip placement is critical.

This plier is used across residential and commercial service environments wherever internal retaining rings secure bearings, shafts, pins, or components inside a bore. Common applications include motor assemblies, gear housings, pump components, and HVAC blower wheel hubs. The straight 0-degree tip angle gives direct access in open or moderately confined work areas. It is packaged individually and is ready for single-technician use right out of the box.

Key Features

• Straight head with 0-degree tip angle for direct bore access
• 1.30 mm tip diameter sized for smaller internal retaining rings
• 5.5-inch overall length for controlled handling in confined assemblies
• Steel body construction for long service life under trade-use conditions
• Plastic handle provides insulation and grip comfort during extended use
• Meets DIN 5256 C standard for retaining ring pliers

Compatibility

Designed as an OEM-style replacement and general-service internal retaining ring plier suitable for standard internal snap ring applications in bores requiring a straight-tip tool with a 1.30 mm tip diameter.

Installation Notes

Internal retaining ring pliers are installed and removed by qualified mechanics, machinists, or trade technicians. Always relieve system pressure and de-energize any associated equipment before disassembling assemblies that contain retaining rings. Use the correct tip size to avoid deforming the ring or damaging the groove. Verify ring seating in the groove after installation before returning the assembly to service.