We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

PROTO J390 Internal Retaining-Ring Pliers
PROTOInternal Retaining-Ring Pliers

PROTO J390 Internal Retaining-Ring Pliers

The PROTO J390 Retaining Ring Plier is an internal retaining-ring plier designed for bore diameters from 1/4 in to 5/8 in, with a 0.025 in tip diameter and 5 3/8 in overall length. This tool is part of the retaining…

SKU 3G-OTH-735278

Also listed as: J 390 · J-390

Brand
PROTO
Item
J390 Internal Retaining-Ring Pliers
Category
Internal Retaining-Ring Pliers
Available to Order
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Technical specs
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

PROTO
Manufacturer Part Number
J390
Type
For 1/4 in to 5/8 in Bore Dia
Overall Lg
5 3/8 in
Tip Dia
0.025 in

Technical Documents

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PROTO Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The PROTO J390 Retaining Ring Plier is an internal retaining-ring plier designed for bore diameters from 1/4 in to 5/8 in, with a 0.025 in tip diameter and 5 3/8 in overall length. This tool is part of the retaining rings category and is not reversible.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the PROTO J390 retaining ring plier used for?

The PROTO J390 is an internal retaining-ring plier used to install and remove internal retaining rings in bores from 1/4 in to 5/8 in diameter. It is commonly used in automotive, industrial maintenance, and assembly applications where secure ring placement is required.

What are the specifications of the PROTO J390 retaining ring plier?

The PROTO J390 has a tip diameter of 0.025 in, an overall length of 5 3/8 in, and is designed for bore diameters from 1/4 in to 5/8 in. It is an internal, non-reversible plier, part of the retaining rings category, with manufacturer part number J390.

Where to buy the PROTO J390 retaining ring plier worldwide?

3G Electric supplies the PROTO J390 retaining ring plier worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this tool to your facility. Contact us for availability and lead time.

How to select the correct retaining ring plier for a bore?

To select the correct internal retaining ring plier, match the plier's bore diameter range to your application. For the PROTO J390, it fits bores from 1/4 in to 5/8 in. Ensure the tip diameter (0.025 in) aligns with the ring holes, and choose non-reversible for standard internal rings.

Used in

Common applications for PROTO
Automotive assembly — PROTO J72102 impact socket set for fastening lug nuts on production lines
Heavy equipment maintenance — PROTO J3772T flare nut wrench for hydraulic line fittings on excavators
General industrial repair — PROTO J795SA adjustable wrench set for tightening bolts on conveyor systems
Aerospace manufacturing — PROTO J5240A slotted bit socket for adjusting fasteners in confined spaces
Oil and gas pipeline work — PROTO J5438 12-point socket for valve assembly in refineries
Construction site toolkits — PROTO J8179-T500 double box wrench for structural steel bolting
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PROTO Products

3G Electric supplies PROTO internal retaining-ring pliers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Internal retaining-ring pliers for bore diameters from 1 13/16 in to 3 in. Features 0.09 in tip diameter and 9 in overall length. Used for installing and removing internal retaining rings in general industrial maintenance, automotive repair, and machinery assembly