We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

PROTO J3751T SAE Double End 12-Point Flare Nut Wrench - SAE, Double End, Standard-Head, 12-Point Flare Nut Wrenches
PROTOSAE, Double End, Standard-Head, 12-Point Flare Nut Wrenches

PROTO J3751T SAE Double End 12-Point Flare Nut Wrench

The PROTO Flare Nut Wrench (MPN J3751T) is an SAE, double-end, standard-head, 12-point flare nut wrench made of alloy steel with a satin finish. It features a 3/8 in head size and a 5 3/4 in overall length.

SKU 3G-OTH-303806

Brand
PROTO
Item
J3751T SAE Double End 12-Point Flare Nut Wrench
Category
SAE, Double End, Standard-Head, 12-Point Flare Nut Wrenches
Available to Order
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Worldwide Shipping
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Datasheet on Request
Technical specs
1-Day Quote
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

PROTO
Manufacturer Part Number
J3751T
Type
Satin, Double End
Overall Lg
5 3/4 in
Head Size
3/8 in

Technical Documents

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

Product Description

The PROTO Flare Nut Wrench (MPN J3751T) is an SAE, double-end, standard-head, 12-point flare nut wrench made of alloy steel with a satin finish. It features a 3/8 in head size and a 5 3/4 in overall length.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the PROTO Flare Nut Wrench J3751T used for?

The PROTO Flare Nut Wrench J3751T is used for tightening or loosening flare nuts on brake lines, fuel lines, and hydraulic fittings. Its 12-point, double-end design grips the nut securely without rounding, making it ideal for automotive and industrial maintenance where access is tight.

What are the specifications of the PROTO Flare Nut Wrench J3751T?

The PROTO Flare Nut Wrench J3751T is an SAE double-end, standard-head, 12-point wrench 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 manufacturer part number is J3751T, and it is not magnetic (attr309723: No).

Where to buy the PROTO Flare Nut Wrench J3751T worldwide?

You can source the PROTO Flare Nut Wrench J3751T 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 globally.

How to select the right flare nut wrench size?

To select the right flare nut wrench, match the head size to the nut's hex dimension. For the PROTO J3751T, the 3/8 in head size fits SAE flare nuts of that size. Ensure the wrench is 12-point for better grip on soft brass or steel nuts, and choose a double-end design for versatility in tight spaces.

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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Cross-referenced by specification & description
PROTO Flare Nut Wrench: Alloy Steel, Satin, 1/2 in Head Size, 6 1/2 in Overall Lg, 6-Point Flare Nut (MPN J3753)
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PROTO Flare Nut Wrench: Alloy Steel, Satin, 5/8 in Head Size, 7 3/4 in Overall Lg (MPN J3755)
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PROTO Flare Nut Wrench: Alloy Steel, Satin, 5/8 in Head Size, 7 3/4 in Overall Lg (MPN J3755)
Alloy steel construction with satin finish. Double-end, standard-head, 6-point design for use on flare nuts in brake, fuel, and hydraulic line applications. Head size 3/8 in, overall length 5 3/4 in
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PROTO Flare Nut Wrench: Alloy Steel, Satin, 3/4 in Head Size, 9 1/4 in Overall Lg (MPN J3757)
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PROTO Flare Nut Wrench: Alloy Steel, Satin, 3/4 in Head Size, 9 1/4 in Overall Lg (MPN J3757)
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
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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

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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
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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
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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
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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
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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 SAE double-end flare nut wrench features a 12-point design for use on 9/16 in flare nuts. Constructed from alloy steel with a satin finish, it has an overall length of 7 in. Commonly used for tightening or loosening flare nuts in hydraulic, automotive, and plumbing applications
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This SAE double-end flare nut wrench features a 12-point design for use on 9/16 in flare nuts. Constructed from alloy steel with a satin finish, it has an overall length of 7 in. Commonly used for tightening or loosening flare nuts in hydraulic, automotive, and plumbing applications
PROTO Flare Nut Wrench: Alloy Steel, Satin, 3/8 in_7/16 in Head Size, 6 1/4 in Overall Lg, SAE (MPN J3764T)
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PROTO Flare Nut Wrench: Alloy Steel, Satin, 3/8 in_7/16 in Head Size, 6 1/4 in Overall Lg, SAE (MPN J3764T)