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PROTO J3710MT Metric Double-End 12-Point Flare Nut Wrench, 10 mm x 12 mm, 7 in - Metric, Double End, Standard-Head, 12-Point Flare Nut Wrenches
PROTOMetric, Double End, Standard-Head, 12-Point Flare Nut Wrenches

PROTO J3710MT Metric Double-End 12-Point Flare Nut Wrench, 10 mm x 12 mm, 7 in

The PROTO J3710MT is a metric, double-end, standard-head, 12-point flare nut wrench made of alloy steel with a satin finish. It features 10 mm and 12 mm head sizes and a 7-inch overall length.

SKU 3G-OTH-401474

Brand
PROTO
Item
J3710MT Metric Double-End 12-Point Flare Nut Wrench, 10 mm x 12 mm, 7 in
Category
Metric, Double End, Standard-Head, 12-Point Flare Nut Wrenches
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

PROTO
Manufacturer Part Number
J3710MT
Type
Satin, 10 mm_12 mm Head Size
Overall Lg
7 in

Technical Documents

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

Product Description

The PROTO J3710MT is a metric, double-end, standard-head, 12-point flare nut wrench made of alloy steel with a satin finish. It features 10 mm and 12 mm head sizes and a 7-inch overall length.

Frequently Asked Questions

What is a PROTO J3710MT flare nut wrench used for?

The PROTO J3710MT is a metric double-end 12-point flare nut wrench designed for tightening or loosening flare nuts on hydraulic, fuel, and refrigeration lines. Its 10 mm and 12 mm head sizes and 7-inch length provide leverage while reducing the risk of rounding soft brass or aluminum nuts.

What are the specifications of the PROTO J3710MT flare nut wrench?

The PROTO J3710MT is a metric double-end standard-head 12-point flare nut wrench made of alloy steel with a satin finish. It has 10 mm and 12 mm head sizes and a 7-inch overall length. The manufacturer part number is J3710MT.

Where to buy a PROTO J3710MT flare nut wrench worldwide?

3G Electric supplies the PROTO J3710MT 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 availability and lead time on this alloy steel satin-finish wrench.

How to select the right flare nut wrench size?

To select the correct flare nut wrench, measure the nut's hex size across the flats. The PROTO J3710MT covers 10 mm and 12 mm sizes. Choose a 12-point design like this one for better engagement on soft nuts. Always match the wrench size exactly to avoid rounding the nut.

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, 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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This PROTO flare nut wrench is made from alloy steel with a satin finish. It features 6-point, double-end heads sized 16 mm and 18 mm, with an overall length of 8-3/4 inches. Designed for turning flare nuts on brake, fuel, and hydraulic lines in automotive and industrial applications
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This PROTO flare nut wrench is made from alloy steel with a satin finish. It features 6-point, double-end heads sized 16 mm and 18 mm, with an overall length of 8-3/4 inches. Designed for turning flare nuts on brake, fuel, and hydraulic lines in automotive and industrial applications
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Double-end, standard-head, 6-point flare nut wrench with 9 mm and 11 mm head sizes. Made of alloy steel with a satin finish. Overall length of 6 1/4 inches. Used for tightening or loosening flare nuts on brake lines, fuel lines, and hydraulic fittings
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Double-end, standard-head, 6-point flare nut wrench with 9 mm and 11 mm head sizes. Made of alloy steel with a satin finish. Overall length of 6 1/4 inches. Used for tightening or loosening flare nuts on brake lines, fuel lines, and hydraulic fittings
This PROTO flare nut wrench is made of alloy steel with a satin finish. It features double-end, standard-head, 6-point design with 10 mm and 12 mm head sizes. Overall length is 6 1/4 inches. Suitable for tightening or loosening flare nuts on brake lines, fuel lines, and hydraulic fittings in automotive and industrial applications
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This PROTO flare nut wrench is made of alloy steel with a satin finish. It features double-end, standard-head, 6-point design with 10 mm and 12 mm head sizes. Overall length is 6 1/4 inches. Suitable for tightening or loosening flare nuts on brake lines, fuel lines, and hydraulic fittings in automotive and industrial applications
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Double-end, standard-head, 6-point flare nut wrench made of alloy steel with a satin finish. Designed for tightening or loosening flare nuts on fuel, brake, and hydraulic lines. Features 13 mm and 14 mm head sizes with an overall length of 7-1/2 inches

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Alloy steel construction with satin finish. Double-end design with 12-point flare nut openings in 7 mm and 8 mm sizes. Overall length of 5 3/4 inches. Used for tightening or loosening flare nuts on hydraulic, fuel, and refrigeration lines in maintenance and repair tasks
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Alloy steel flare nut wrench with satin finish. Double-end design with 13 mm and 14 mm 12-point heads. Overall length 7-1/2 inches. Used for tightening or loosening flare nuts on brake, fuel, and hydraulic lines
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Alloy steel flare nut wrench with satin finish. Double-end design with 13 mm and 14 mm 12-point heads. Overall length 7-1/2 inches. Used for tightening or loosening flare nuts on brake, fuel, and hydraulic lines