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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
Part Number
J3751T
Category
SAE, Double End, Standard-Head, 12-Point Flare Nut Wrenches
Available to Order
Also known as:J3751TPROTO
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Technical Specifications

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

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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.

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
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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.
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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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