IMPA: 611831

Bent Nose Internal Stop Ring Pliers - IMPA 611831

These bent nose internal stop ring pliers are essential for any marine maintenance toolkit. Designed specifically for installing and removing internal stop rings (snap rings/circlips) in confined spaces, the angled bent nose provides easy access to recessed ring grooves found in marine engines, pumps, gearboxes, and hydraulic systems. Constructed from drop-forged steel alloy with a corrosion-resistant phosphate coating, these pliers withstand the harsh saltwater environment and are built for long-lasting performance aboard commercial vessels, yachts, and offshore installations.

With a comfortable non-slip grip and a precise adjustment mechanism, these pliers allow for secure handling and accurate tip alignment, reducing the risk of slipping and damaging delicate rings. Whether you are performing routine maintenance or emergency repairs, the reliable performance of these pliers ensures efficiency and safety. The IMPA 611831 classification makes them an easy-to-order ship chandler item for vessels operating worldwide.

Key Features

Technical Specifications

Product NameBent Nose Internal Stop Ring Pliers
IMPA Code611831
TypeInternal stop ring / snap ring pliers
Tip StyleBent nose (angled 45°)
Nominal Length7 inches (180 mm)
Ring Capacity10–100 mm (approximately)
Tip Diameter0.45 mm
Handle MaterialSteel with anti-slip grip
FinishCorrosion-resistant phosphate coating
Weight0.4 lbs (approx.)

Frequently Asked Questions

Are these pliers suitable for use in saltwater environments?

Yes, the pliers feature a corrosion-resistant phosphate coating that protects against rust from saltwater exposure, making them ideal for marine applications.

What sizes of internal rings can these pliers handle?

These pliers are designed to accommodate internal stop rings with a diameter range of approximately 10 to 100 mm, depending on the ring thickness and groove accessibility.

Can I use these pliers for external stop rings?

No, these are specifically designed for internal stop rings (those that compress into a groove). For external rings, a separate pair of external circlip pliers is recommended.

How do I adjust the pliers to fit different ring sizes?

The pliers feature a simple screw-type adjustment mechanism near the handle. Turn the screw to widen or narrow the tip spread until it matches the ring size, then lock it in place.

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