Send a part number, a photo, or a whole BOM — we supply it and stand behind it. EXW Singapore — collect from our office.

3G Electric
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
Part Number
J3710MT
Category
Metric, Double End, Standard-Head, 12-Point Flare Nut Wrenches
Available to Order
Also known as:J3710MTPROTO
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
EXW Singapore
Collect or forward from our office
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.

Technical Specifications

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

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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
Industrial maintenance — PROTO J6014CXCERT micrometer torque wrench for tightening fasteners to 50–250 ft-lb with tether capability.
Assembly operations — PROTO J6345A electronic torque wrench for 5–50 ft-lb control with audible and visual indicators.
Plumbing and mechanical — PROTO J812HD straight pipe wrench with 2 in jaw capacity for gripping and turning pipes.
Precision fastening — PROTO J61929 multi-bit screw and nut driver kit with 26 alloy steel bits for assembly and maintenance.
Tool organization — PROTO JUC3743-3SG heavy-duty utility cart with drawers, power strip, and padlock for shop floor use.
Metric fastener service — PROTO JSCVM-20SB 20-piece ratcheting combination wrench set covering 6 mm to 32 mm.
Not sure this is the right part? Photo-identify it→

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.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

More from PROTO

View all PROTO parts →

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first