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PROTO Flare Nut Wrench: Alloy Steel, Satin, 11/16 in Head Size, 8 3/4 in Overall Lg - SAE, Double End, Standard-Head, 6-Point Flare Nut Wrenches
PROTOSAE, Double End, Standard-Head, 6-Point Flare Nut Wrenches

PROTO Flare Nut Wrench: Alloy Steel, Satin, 11/16 in Head Size, 8 3/4 in Overall Lg

The PROTO Flare Nut Wrench (MPN J3756) is an SAE, double-end, standard-head, 6-point flare nut wrench made of alloy steel with a satin finish. It features an 11/16 in head size and an overall length of 8 3/4 in.

SKU 3G-OTH-311096

Brand
PROTO
Item
Flare Nut Wrench: Alloy Steel, Satin, 11/16 in Head Size, 8 3/4 in Overall Lg
Category
SAE, Double End, Standard-Head, 6-Point Flare Nut Wrenches
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Technical Specifications

PROTO
Manufacturer Part Number
J3756
Type
Satin, Double End
Overall Lg
8 3/4 in
Head Size
11/16 in
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PROTO Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The PROTO Flare Nut Wrench (MPN J3756) is an SAE, double-end, standard-head, 6-point flare nut wrench made of alloy steel with a satin finish. It features an 11/16 in head size and an overall length of 8 3/4 in.

Frequently Asked Questions

What is a PROTO Flare Nut Wrench used for?

A PROTO Flare Nut Wrench is used to tighten or loosen flare nuts on fuel, brake, and hydraulic lines without damaging the fitting. Its 6-point, double-end design provides a secure grip on SAE fasteners, making it essential for automotive and industrial maintenance.

What are the specifications of the PROTO J3756 Flare Nut Wrench?

The PROTO J3756 Flare Nut Wrench is an SAE, double-end, standard-head, 6-point wrench made of alloy steel with a satin finish. It has an 11/16 in head size and an overall length of 8 3/4 in. The manufacturer part number is J3756.

Where to buy a PROTO Flare Nut Wrench worldwide?

You can source the PROTO Flare Nut Wrench (J3756) through 3G Electric, which handles logistics, customs, and delivery to worldwide destinations. As a global industrial supplier, 3G Electric provides genuine PROTO tools and supports international procurement with full shipping coordination.

How to select the right flare nut wrench size?

To select the right flare nut wrench, match the head size to the nut on your fitting. For SAE fasteners, measure the nut across the flats. The PROTO J3756 has an 11/16 in head size, suitable for common brake and fuel line nuts. Always verify the wrench fits snugly to avoid rounding.

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 sae, double end, standard-head, 6-point flare nut wrenches. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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