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PROTO Breaker Bar: 3/4 in Drive, 20 in Lg, Knurled Grip, Alloy Steel - Flex-Head Breaker Bars
PROTOFlex-Head Breaker Bars

PROTO Breaker Bar: 3/4 in Drive, 20 in Lg, Knurled Grip, Alloy Steel

The PROTO Breaker Bar is a 3/4 in Drive flex-head breaker bar from PROTO, featuring a knurled grip and constructed from alloy steel with a black oxide finish. This 20-inch long tool is designed for industrial…

SKU 3G-OTH-310498

Brand
PROTO
Item
Breaker Bar: 3/4 in Drive, 20 in Lg, Knurled Grip, Alloy Steel
Category
Flex-Head Breaker Bars
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Technical Specifications

PROTO
Manufacturer Part Number
J5668BL
Type
Knurled Grip, Alloy Steel, Black Oxide
Lg
20 in
View Full Spec Sheet

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

Product Description

The PROTO Breaker Bar is a 3/4 in Drive flex-head breaker bar from PROTO, featuring a knurled grip and constructed from alloy steel with a black oxide finish. This 20-inch long tool is designed for industrial applications requiring high-torque loosening of fasteners.

Frequently Asked Questions

What is the PROTO Breaker Bar used for?

The PROTO Breaker Bar is used for loosening high-torque fasteners in industrial maintenance and repair applications. Its flex-head design and 20-inch length provide leverage for breaking stubborn bolts, making it suitable for heavy equipment, automotive, and manufacturing environments.

What are the specifications of the PROTO Breaker Bar J5668BL?

The PROTO Breaker Bar J5668BL has a 3/4 in drive, 20 in length, and a knurled grip. It is made from alloy steel with a black oxide finish. The flex-head design allows access in tight spaces. PROTO is the OEM brand for this tool.

Where to buy the PROTO Breaker Bar worldwide?

You can source the PROTO Breaker Bar J5668BL through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time.

How to maintain the PROTO Breaker Bar?

To maintain the PROTO Breaker Bar, clean it after use with a dry cloth to remove debris. Apply light oil to the flex-head pivot and drive end to prevent corrosion. Store in a dry environment. The black oxide finish resists rust but should be kept free of moisture.

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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