Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

PROTO J3754T SAE Double End 12-Point Flare Nut Wrench, 9/16 in Head, 7 in Length - SAE, Double End, Standard-Head, 12-Point Flare Nut Wrenches
PROTOSAE, Double End, Standard-Head, 12-Point Flare Nut Wrenches

PROTO J3754T SAE Double End 12-Point Flare Nut Wrench, 9/16 in Head, 7 in Length

The PROTO Flare Nut Wrench (MPN J3754T) is an SAE, double-end, standard-head, 12-point flare nut wrench made of alloy steel with a satin finish. It features a 9/16 in head size and a 7 in overall length. This tool is…

SKU 3G-OTH-303810

Brand
PROTO
Item
J3754T SAE Double End 12-Point Flare Nut Wrench, 9/16 in Head, 7 in Length
Category
SAE, Double End, Standard-Head, 12-Point Flare Nut Wrenches
Available to Order
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.
Worldwide Shipping
Air & sea freight
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
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
J3754T
Type
Satin
Overall Lg
7 in
Flare Nut
12-Point
Head Size
9/16 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 Flare Nut Wrench (MPN J3754T) is an SAE, double-end, standard-head, 12-point flare nut wrench made of alloy steel with a satin finish. It features a 9/16 in head size and a 7 in overall length. This tool is designed for use with 12-point flare nuts.

Frequently Asked Questions

What is the PROTO Flare Nut Wrench J3754T used for?

The PROTO Flare Nut Wrench J3754T is used for tightening or loosening 12-point flare nuts on SAE fittings, commonly found in automotive, hydraulic, and plumbing systems. Its double-end, standard-head design provides secure grip and reduces rounding of soft nut corners.

What are the specifications of the PROTO Flare Nut Wrench J3754T?

The PROTO Flare Nut Wrench J3754T is an SAE, double-end, 12-point flare nut wrench made of alloy steel with a satin finish. It has a 9/16 in head size and a 7 in overall length. The alloy steel construction offers durability for repeated use on flare nuts.

Where to buy the PROTO Flare Nut Wrench J3754T worldwide?

You can source the PROTO Flare Nut Wrench J3754T 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 on this PROTO tool.

How to select the correct PROTO flare nut wrench size?

To select the correct PROTO flare nut wrench, match the head size to the nut's hex dimension. For the J3754T, the 9/16 in head fits SAE 9/16 in flare nuts. Always verify the nut type (12-point) and ensure the wrench's alloy steel satin finish provides adequate grip without marring.

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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
Alloy steel flare nut wrench with satin finish. Double-end, standard-head, 6-point design fits 1/2 in flare nuts. Overall length 6-1/2 in. Used for tightening or loosening flare nuts on hydraulic, fuel, and refrigeration lines
PROTO
Alloy steel flare nut wrench with satin finish. Double-end, standard-head, 6-point design fits 1/2 in flare nuts. Overall length 6-1/2 in. Used for tightening or loosening flare nuts on hydraulic, fuel, and refrigeration lines
This SAE double-end flare nut wrench features a 6-point design for securely gripping flare nuts without rounding. Made of alloy steel with a satin finish, it has a 5/8 in head size and 7 3/4 in overall length. Commonly used for tightening or loosening flare nuts on brake lines, fuel lines, and hydraulic fittings
PROTO
This SAE double-end flare nut wrench features a 6-point design for securely gripping flare nuts without rounding. Made of alloy steel with a satin finish, it has a 5/8 in head size and 7 3/4 in overall length. Commonly used for tightening or loosening flare nuts on brake lines, fuel lines, and hydraulic fittings
This PROTO flare nut wrench is made from alloy steel with a satin finish. It features double-end, standard-head, 6-point design with 3/4 in and 7/8 in head sizes, and an overall length of 9 1/2 in. Used for tightening or loosening flare nuts on hydraulic, fuel, and refrigeration lines
PROTO
This PROTO flare nut wrench is made from alloy steel with a satin finish. It features double-end, standard-head, 6-point design with 3/4 in and 7/8 in head sizes, and an overall length of 9 1/2 in. Used for tightening or loosening flare nuts on hydraulic, fuel, and refrigeration lines
This PROTO flare nut wrench is made of alloy steel with a satin finish. It features a double-end, standard-head, 6-point design with an 11/16 in head size and 8 3/4 in overall length. Used for tightening or loosening flare nuts on fuel, brake, and hydraulic lines without damaging the fitting
PROTO
This PROTO flare nut wrench is made of alloy steel with a satin finish. It features a double-end, standard-head, 6-point design with an 11/16 in head size and 8 3/4 in overall length. Used for tightening or loosening flare nuts on fuel, brake, and hydraulic lines without damaging the fitting
This PROTO flare nut wrench is a double-end, standard-head, 6-point design for SAE flare nuts. Made from alloy steel with a satin finish, it has a 9/16 in head size and 7 in overall length. Commonly used in automotive and industrial maintenance for tightening or loosening flare nuts on brake lines, fuel lines, and hydraulic systems
PROTO
This PROTO flare nut wrench is a double-end, standard-head, 6-point design for SAE flare nuts. Made from alloy steel with a satin finish, it has a 9/16 in head size and 7 in overall length. Commonly used in automotive and industrial maintenance for tightening or loosening flare nuts on brake lines, fuel lines, and hydraulic systems
This PROTO flare nut wrench is made from alloy steel with a satin finish. It features a 7/16 in head size and 6 in overall length, with a 6-point, double-end, standard-head SAE design. Used for tightening or loosening flare nuts on brake lines, fuel lines, and hydraulic fittings
PROTO
This PROTO flare nut wrench is made from alloy steel with a satin finish. It features a 7/16 in head size and 6 in overall length, with a 6-point, double-end, standard-head SAE design. Used for tightening or loosening flare nuts on brake lines, fuel lines, and hydraulic fittings

More from PROTO

View all PROTO parts
Alloy steel construction with satin finish. Double-end, standard-head design with 12-point openings for 3/8 in and 7/16 in SAE flare nuts. Overall length 6 1/4 in. Used for tightening or loosening flare nuts on brake lines, fuel lines, and hydraulic fittings
PROTO
Alloy steel construction with satin finish. Double-end, standard-head design with 12-point openings for 3/8 in and 7/16 in SAE flare nuts. Overall length 6 1/4 in. Used for tightening or loosening flare nuts on brake lines, fuel lines, and hydraulic fittings
This double-end flare nut wrench features a 12-point, standard-head design for use on SAE flare nuts. Constructed from alloy steel with a satin finish, it has a 3/4 in head size and 9 1/4 in overall length. Commonly used for tightening or loosening flare nuts on brake, fuel, and hydraulic lines
PROTO
This double-end flare nut wrench features a 12-point, standard-head design for use on SAE flare nuts. Constructed from alloy steel with a satin finish, it has a 3/4 in head size and 9 1/4 in overall length. Commonly used for tightening or loosening flare nuts on brake, fuel, and hydraulic lines
This SAE double-end flare nut wrench features 12-point openings in 1/2 in and 9/16 in sizes, with a 7-1/2 in overall length. Constructed from alloy steel with a satin finish, it is designed for tightening or loosening flare nuts on brake lines, fuel lines, and hydraulic fittings in automotive and industrial applications
PROTO
This SAE double-end flare nut wrench features 12-point openings in 1/2 in and 9/16 in sizes, with a 7-1/2 in overall length. Constructed from alloy steel with a satin finish, it is designed for tightening or loosening flare nuts on brake lines, fuel lines, and hydraulic fittings in automotive and industrial applications
Alloy steel double-end flare nut wrench with satin finish. 12-point, standard-head design for 5/8 in SAE fasteners. Overall length 7 3/4 in. Used for tightening or loosening flare nuts on brake, fuel, and hydraulic lines
PROTO
Alloy steel double-end flare nut wrench with satin finish. 12-point, standard-head design for 5/8 in SAE fasteners. Overall length 7 3/4 in. Used for tightening or loosening flare nuts on brake, fuel, and hydraulic lines
Alloy steel flare nut wrench with satin finish. Double-end, standard-head, 12-point design for 5/8 in and 11/16 in SAE fasteners. Overall length 8-3/4 in. Used for tightening or loosening flare nuts on brake, fuel, and hydraulic lines
PROTO
Alloy steel flare nut wrench with satin finish. Double-end, standard-head, 12-point design for 5/8 in and 11/16 in SAE fasteners. Overall length 8-3/4 in. Used for tightening or loosening flare nuts on brake, fuel, and hydraulic lines
This PROTO flare nut wrench is made of alloy steel with a satin finish. It has a 3/8 in head size and a 5 3/4 in overall length. The double-end, 12-point design provides a secure grip on flare nuts commonly found on brake lines, fuel lines, and hydraulic fittings
PROTO
This PROTO flare nut wrench is made of alloy steel with a satin finish. It has a 3/8 in head size and a 5 3/4 in overall length. The double-end, 12-point design provides a secure grip on flare nuts commonly found on brake lines, fuel lines, and hydraulic fittings