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3G Electric
PROTO J3764 SAE Double End 6-Point Flare Nut Wrench, 3/8 in x 7/16 in - SAE, Double End, Standard-Head, 6-Point Flare Nut Wrenches
PROTOSAE, Double End, Standard-Head, 6-Point Flare Nut Wrenches

PROTO J3764 SAE Double End 6-Point Flare Nut Wrench, 3/8 in x 7/16 in

The PROTO Flare Nut Wrench (MPN J3764) is an SAE, double-end, standard-head, 6-point flare nut wrench made of alloy steel with a satin finish. It features 3/8 in and 7/16 in head sizes and an overall length of 6 1/4 in.

SKU 3G-OTH-311087

Also listed as: J 3764 · J-3764

Brand
PROTO
Item
J3764 SAE Double End 6-Point Flare Nut Wrench, 3/8 in x 7/16 in
Part Number
J3764
Category
SAE, Double End, Standard-Head, 6-Point Flare Nut Wrenches
Available to Order
Also known as:J3764PROTO
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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
J3764
Type
Satin, 3/8 in_7/16 in Head Size, SAE
Overall Lg
6 1/4 in

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

Product Description

The PROTO Flare Nut Wrench (MPN J3764) is an SAE, double-end, standard-head, 6-point flare nut wrench made of alloy steel with a satin finish. It features 3/8 in and 7/16 in head sizes and an overall length of 6 1/4 in.

Frequently Asked Questions

What is a PROTO flare nut wrench used for?

A PROTO flare nut wrench is used to tighten or loosen flare nuts on brake lines, fuel lines, and hydraulic fittings. Its 6-point design grips the nut securely without rounding, making it essential for automotive and industrial maintenance where SAE fasteners are common.

What are the specifications of the PROTO J3764 flare nut wrench?

The PROTO J3764 is a double-end, standard-head, 6-point flare nut wrench made of alloy steel with a satin finish. It has 3/8 in and 7/16 in head sizes, an overall length of 6 1/4 in, and is SAE. It is not a ratcheting or flex-head type.

Where to buy a PROTO J3764 flare nut wrench worldwide?

3G Electric supplies the PROTO J3764 flare nut wrench 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 PROTO tool.

How to select the right flare nut wrench size?

Select a flare nut wrench that matches the nut size, typically stamped on the wrench. For SAE systems, use the PROTO J3764 for 3/8 in and 7/16 in nuts. Ensure the wrench is alloy steel for durability and a satin finish for corrosion resistance. Always verify fit before applying torque.

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, 6-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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