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3G Electric
PROTO J3755T Double End Flare Nut Wrench, 5/8 in, 7 3/4 in - SAE, Double End, Standard-Head, 12-Point Flare Nut Wrenches
PROTOSAE, Double End, Standard-Head, 12-Point Flare Nut Wrenches

PROTO J3755T Double End Flare Nut Wrench, 5/8 in, 7 3/4 in

The PROTO Flare Nut Wrench (MPN J3755T) is a double-end, standard-head, 12-point SAE flare nut wrench made of alloy steel with a satin finish. It features a 5/8 in head size and an overall length of 7 3/4 in.

SKU 3G-OTH-303804

Brand
PROTO
Item
J3755T Double End Flare Nut Wrench, 5/8 in, 7 3/4 in
Part Number
J3755T
Category
SAE, Double End, Standard-Head, 12-Point Flare Nut Wrenches
Available to Order
Also known as:J3755TPROTO
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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
J3755T
Type
Satin, Double End
Overall Lg
7 3/4 in
Head Size
5/8 in

Technical Documents

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

Product Description

The PROTO Flare Nut Wrench (MPN J3755T) is a double-end, standard-head, 12-point SAE flare nut wrench made of alloy steel with a satin finish. It features a 5/8 in head size and an overall length of 7 3/4 in.

Frequently Asked Questions

What is the PROTO Flare Nut Wrench used for?

The PROTO Flare Nut Wrench is designed for tightening or loosening flare nuts on brake lines, fuel lines, and hydraulic fittings. Its 12-point, double-end configuration provides a secure grip on SAE fasteners, reducing the risk of rounding. It is commonly used in automotive repair, plumbing, and industrial maintenance applications.

What are the specifications of the PROTO Flare Nut Wrench J3755T?

The PROTO Flare Nut Wrench J3755T is a double-end, standard-head, 12-point SAE wrench made of alloy steel with a satin finish. It has a 5/8 in head size and an overall length of 7 3/4 in. The PROTO brand ensures durable construction for repeated use in demanding environments.

Where to buy the PROTO Flare Nut Wrench J3755T worldwide?

You can source the PROTO Flare Nut Wrench J3755T through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide locations. Contact us for availability and lead time; we provide reliable sourcing for PROTO tools across international markets.

How to maintain a PROTO Flare Nut Wrench?

To maintain your PROTO Flare Nut Wrench, clean it after each use with a dry cloth to remove grease and debris. Store in a dry environment to prevent corrosion. Avoid using the wrench on damaged or rusted fasteners, as this can wear the 12-point profile. Periodic inspection ensures long service life.

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.
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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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