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PROTO Flare Nut Wrench: Alloy Steel, Satin, 15 mm_17 mm Head Size - Metric, Double End, Standard-Head, 6-Point, Flare Nut Wrenches
PROTOMetric, Double End, Standard-Head, 6-Point, Flare Nut Wrenches

PROTO Flare Nut Wrench: Alloy Steel, Satin, 15 mm_17 mm Head Size

The PROTO Flare Nut Wrench (MPN J3715M) is a metric, double-end, standard-head, 6-point flare nut wrench made of alloy steel with a satin finish. It features 15 mm and 17 mm head sizes and an overall length of 8 inches.

SKU 3G-OTH-301400

Brand
PROTO
Item
Flare Nut Wrench: Alloy Steel, Satin, 15 mm_17 mm Head Size
Category
Metric, Double End, Standard-Head, 6-Point, Flare Nut Wrenches
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Technical Specifications

PROTO
Manufacturer Part Number
J3715M
Type
Satin, 15 mm_17 mm Head Size
Overall Lg
8 in
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PROTO Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The PROTO Flare Nut Wrench (MPN J3715M) is a metric, double-end, standard-head, 6-point flare nut wrench made of alloy steel with a satin finish. It features 15 mm and 17 mm head sizes and an overall length of 8 inches.

Frequently Asked Questions

What is the PROTO Flare Nut Wrench J3715M used for?

The PROTO J3715M flare nut wrench is designed for tightening or loosening flare nuts on hydraulic, fuel, and refrigeration lines. Its 6-point, double-end design with 15 mm and 17 mm heads provides a secure grip without rounding soft metal nuts, making it essential for automotive and industrial maintenance.

What are the specifications of the PROTO J3715M flare nut wrench?

The PROTO J3715M is a metric, double-end, standard-head, 6-point flare nut wrench made of alloy steel with a satin finish. It has 15 mm and 17 mm head sizes and an overall length of 8 inches. The satin finish reduces glare and resists corrosion in demanding work environments.

Where to buy the PROTO J3715M flare nut wrench worldwide?

3G Electric supplies the PROTO J3715M flare nut wrench to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us for pricing and lead time on this alloy steel, satin finish wrench with 15 mm and 17 mm heads.

How to select the right flare nut wrench size?

To select the correct PROTO flare nut wrench, measure the hex nut across the flats in millimeters. The J3715M fits 15 mm and 17 mm nuts. Always match the wrench size exactly to the nut to prevent rounding. For metric systems, use the 6-point design for better torque application on soft brass or aluminum nuts.

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 metric, 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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