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PROTO Breaker Bar: 1/4 in Drive, 5 3/4 in Lg, Knurled Grip, Alloy Steel - Flex-Head Breaker Bars
PROTOFlex-Head Breaker Bars

PROTO Breaker Bar: 1/4 in Drive, 5 3/4 in Lg, Knurled Grip, Alloy Steel

The PROTO J4766 is a 1/4 in drive flex-head breaker bar with a 5 3/4 in length, featuring a knurled grip. It is constructed from alloy steel with a chrome finish, offering a durable and corrosion-resistant tool for…

SKU 3G-OTH-310509

Brand
PROTO
Item
Breaker Bar: 1/4 in Drive, 5 3/4 in Lg, Knurled Grip, Alloy Steel
Category
Flex-Head Breaker Bars
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Technical Specifications

PROTO
Manufacturer Part Number
J4766
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PROTO Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The PROTO J4766 is a 1/4 in drive flex-head breaker bar with a 5 3/4 in length, featuring a knurled grip. It is constructed from alloy steel with a chrome finish, offering a durable and corrosion-resistant tool for industrial applications.

Frequently Asked Questions

What is the PROTO J4766 breaker bar used for?

The PROTO J4766 is a 1/4 in drive flex-head breaker bar used to loosen stubborn fasteners in tight spaces. Its knurled grip and alloy steel construction provide durability and corrosion resistance for industrial maintenance, automotive repair, and assembly applications.

What are the specifications of the PROTO J4766 breaker bar?

The PROTO J4766 has a 1/4 in drive, 5 3/4 in length, flex head, and knurled grip. It is made of alloy steel with a chrome finish. The manufacturer part number is J4766. These specs ensure a compact, corrosion-resistant tool for high-torque loosening.

Where to buy the PROTO J4766 breaker bar worldwide?

3G Electric supplies the PROTO J4766 breaker bar worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this alloy steel, chrome-finished tool to your facility. Contact us for availability and lead time.

How to maintain the PROTO J4766 breaker bar?

To maintain the PROTO J4766, clean the chrome finish with a dry cloth after use to prevent corrosion. Store in a dry environment. Periodically check the flex-head pivot for smooth movement and apply light oil if needed. Avoid using as a hammer to preserve the alloy steel.

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 flex-head breaker bars. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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PROTO Breaker Bar: 3/8 in Drive, 8 1/2 in Lg, Knurled Grip, Alloy Steel, Black Oxide (MPN J5265BL). Key specifications — attr1205663: Black Oxide; attr1205652: PROTO; attr1205649: Knurled; attr1205662: Alloy Steel.
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PROTO Breaker Bar: 1/2 in Drive, 10 1/2 in Lg, Knurled Grip, Alloy Steel, Chrome (MPN J5466). Key specifications — attr1205663: Chrome; attr1205652: PROTO; attr1205649: Knurled; attr1205662: Alloy Steel.
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PROTO Breaker Bar: 1/2 in Drive, 10 1/2 in Lg, Knurled Grip, Alloy Steel, Chrome (MPN J5466). Key specifications — attr1205663: Chrome; attr1205652: PROTO; attr1205649: Knurled; attr1205662: Alloy Steel.
PROTO Breaker Bar: 3/8 in Drive, 12 in Lg, Knurled Grip, Alloy Steel, Chrome (MPN J5266). Key specifications — attr1205663: Chrome; attr1205652: PROTO; attr1205649: Knurled; attr1205662: Alloy Steel.
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PROTO Breaker Bar: 3/8 in Drive, 12 in Lg, Knurled Grip, Alloy Steel, Chrome (MPN J5266). Key specifications — attr1205663: Chrome; attr1205652: PROTO; attr1205649: Knurled; attr1205662: Alloy Steel.
PROTO Breaker Bar: 3/4 in Drive, 20 in Lg, Knurled Grip, Alloy Steel, Black Oxide (MPN J5668BL). Key specifications — attr1205663: Black Oxide; attr1205652: PROTO; attr1205649: Knurled; attr1205662: Alloy Steel.
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PROTO Breaker Bar: 1/2 in Drive, 18 1/4 in Lg, Knurled Grip, Alloy Steel, Chrome (MPN J5468). Key specifications — attr1205663: Chrome; attr1205652: PROTO; attr1205649: Knurled; attr1205662: Alloy Steel.
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PROTO Breaker Bar: 1/2 in Drive, 15 1/4 in Lg, Knurled Grip, Alloy Steel, Chrome (MPN J5467). Key specifications — attr1205663: Chrome; attr1205652: PROTO; attr1205649: Knurled; attr1205662: Alloy Steel.
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