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PROTO Universal Joint: 3/4 in Input Drive Size, 3/4 in Output Drive Size, Square - 3/4" Drive Hand Flex Socket Adapters
PROTO3/4" Drive Hand Flex Socket Adapters

PROTO Universal Joint: 3/4 in Input Drive Size, 3/4 in Output Drive Size, Square

The PROTO J5670 is a 3/4" Drive Hand Flex Socket Adapter, specifically a universal joint with 3/4 in input and output drive sizes. It features a square drive type, a chrome finish, and a 4 in overall length. This…

SKU 3G-OTH-313748

Also listed as: J 5670 · J-5670

Brand
PROTO
Item
Universal Joint: 3/4 in Input Drive Size, 3/4 in Output Drive Size, Square
Category
3/4" Drive Hand Flex Socket Adapters
Available to Order
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Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

PROTO
Manufacturer Part Number
J5670
Type
Square
Overall Lg
4 in
Output Drive Size
3/4 in

Technical Documents

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

Product Description

The PROTO J5670 is a 3/4" Drive Hand Flex Socket Adapter, specifically a universal joint with 3/4 in input and output drive sizes. It features a square drive type, a chrome finish, and a 4 in overall length. This adapter does not include a locking mechanism.

Frequently Asked Questions

What is the PROTO J5670 universal joint used for?

The PROTO J5670 universal joint is used to transfer torque at an angle in industrial maintenance and assembly applications. It connects a 3/4 in square drive ratchet or torque wrench to sockets, allowing access to fasteners in confined or offset positions where a straight extension cannot reach.

What are the specifications of the PROTO J5670 universal joint?

The PROTO J5670 has a 3/4 in input and output square drive size, a chrome finish, and a 4 in overall length. It does not include a locking mechanism. The manufacturer part number is J5670, and it is designed for hand-tool use in heavy-duty industrial settings.

Where to buy the PROTO J5670 universal joint worldwide?

3G Electric supplies the PROTO J5670 universal joint worldwide. As a global industrial solutions provider, we handle logistics, customs clearance, and delivery to your location. Contact us to order this 3/4 in drive hand flex socket adapter for your maintenance or assembly needs.

How to select the right universal joint for a 3/4 in drive system?

To select the right universal joint for a 3/4 in drive system, match the input and output drive sizes to your ratchet or torque wrench and sockets. Consider the overall length for clearance, the finish for corrosion resistance, and whether a locking mechanism is needed. The PROTO J5670 offers a chrome finish and no locking feature.

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

PROTO Products

3G Electric supplies PROTO 3/4" drive hand flex socket adapters. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Compatible alternatives & equivalents

Cross-referenced by specification & description
PROTO Universal Joint: 3/8 in Input Drive Size, 3/8 in Output Drive Size, Square, 2 in Overall Lg (MPN J5270A)
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PROTO Universal Joint: 3/8 in Input Drive Size, 3/8 in Output Drive Size, Square, 2 in Overall Lg (MPN J5270A)
PROTO Universal Joint: 1/4 in Input Drive Size, 1/4 in Output Drive Size, Square, Chrome (MPN J4770A)
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PROTO Universal Joint: 1/4 in Input Drive Size, 1/4 in Output Drive Size, Square, Chrome (MPN J4770A)
PROTO Universal Joint: 1/2 in Input Drive Size, 1/2 in Output Drive Size, Square, Chrome (MPN J5470A)
PROTO
PROTO Universal Joint: 1/2 in Input Drive Size, 1/2 in Output Drive Size, Square, Chrome (MPN J5470A)
PROTO Universal Joint: 3/8 in Input Drive Size, 3/8 in Output Drive Size, Square, 2 in Overall Lg (MPN J5270AB)
PROTO
PROTO Universal Joint: 3/8 in Input Drive Size, 3/8 in Output Drive Size, Square, 2 in Overall Lg (MPN J5270AB)
PROTO Universal Joint: 1/4 in Input Drive Size, 1/4 in Output Drive Size, Square, Black Oxide (MPN J4770AB)
PROTO
PROTO Universal Joint: 1/4 in Input Drive Size, 1/4 in Output Drive Size, Square, Black Oxide (MPN J4770AB)
PROTO Universal Joint: 1/2 in Input Drive Size, 1/2 in Output Drive Size, Square, Black Oxide (MPN J5470AB)
PROTO
PROTO Universal Joint: 1/2 in Input Drive Size, 1/2 in Output Drive Size, Square, Black Oxide (MPN J5470AB)

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