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PROTO Flare Nut Wrench: Alloy Steel, Satin, 5/8 in_11/16 in Head Size, 8 3/4 in Overall Lg - SAE, Double End, Standard-Head, 12-Point Flare Nut Wrenches
PROTOSAE, Double End, Standard-Head, 12-Point Flare Nut Wrenches

PROTO Flare Nut Wrench: Alloy Steel, Satin, 5/8 in_11/16 in Head Size, 8 3/4 in Overall Lg

The PROTO Flare Nut Wrench (MPN J3772T) is an SAE, double-end, standard-head, 12-point flare nut wrench made of alloy steel with a satin finish. It features head sizes of 5/8 in and 11/16 in, with an overall length…

SKU 3G-OTH-303805

Brand
PROTO
Item
Flare Nut Wrench: Alloy Steel, Satin, 5/8 in_11/16 in Head Size, 8 3/4 in Overall Lg
Category
SAE, Double End, Standard-Head, 12-Point Flare Nut Wrenches
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Technical Specifications

PROTO
Manufacturer Part Number
J3772T
Type
Satin, 5/8 in_11/16 in Head Size, SAE, Std
Overall Lg
8 3/4 in
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PROTO Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The PROTO Flare Nut Wrench (MPN J3772T) is an SAE, double-end, standard-head, 12-point flare nut wrench made of alloy steel with a satin finish. It features head sizes of 5/8 in and 11/16 in, with an overall length of 8 3/4 in.

Frequently Asked Questions

What is the PROTO Flare Nut Wrench J3772T used for?

The PROTO Flare Nut Wrench J3772T is used for tightening or loosening flare nuts on brake lines, fuel lines, and hydraulic fittings in automotive and industrial applications. Its 12-point, double-end design provides a secure grip on SAE fasteners without rounding, making it essential for maintenance and repair work.

What are the specifications of the PROTO Flare Nut Wrench J3772T?

The PROTO Flare Nut Wrench J3772T is an SAE, double-end, standard-head, 12-point flare nut wrench made of alloy steel with a satin finish. It has head sizes of 5/8 in and 11/16 in, with an overall length of 8 3/4 in. The manufacturer part number is J3772T.

Where to buy the PROTO Flare Nut Wrench J3772T worldwide?

You can source the PROTO Flare Nut Wrench J3772T 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; we supply genuine PROTO tools to procurement teams and maintenance professionals.

How to select the right PROTO flare nut wrench size?

To select the right PROTO flare nut wrench, match the wrench head size to the flare nut's hex dimension. For the J3772T, the head sizes are 5/8 in and 11/16 in, suitable for SAE fittings. Always verify the nut size before use to avoid damage. PROTO alloy steel construction ensures durability under repeated torque applications.

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, 12-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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