PROTO Flare Nut Wrench: Alloy Steel, Satin, 5/8 in Head Size
The PROTO Flare Nut Wrench is an SAE, double end, standard-head, 6-point flare nut wrench made of alloy steel with a satin finish. It features a 5/8 in head size and a 7 3/4 in overall length (MPN J3755).
SKU 3G-OTH-311106
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Product Description
The PROTO Flare Nut Wrench is an SAE, double end, standard-head, 6-point flare nut wrench made of alloy steel with a satin finish. It features a 5/8 in head size and a 7 3/4 in overall length (MPN J3755).
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 6-point, double-end configuration grips the nut securely without rounding, making it essential for automotive and industrial maintenance where line integrity is critical.
What are the specifications of the PROTO Flare Nut Wrench J3755?
The PROTO J3755 is an SAE, double-end, 6-point flare nut wrench made of alloy steel with a satin finish. It has a 5/8 in head size and a 7 3/4 in overall length. The alloy steel construction provides durability for repeated use in demanding environments.
Where to buy the PROTO Flare Nut Wrench worldwide?
You can source the PROTO Flare Nut Wrench J3755 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 on this item.
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 cheater bars or impact tools, as these can damage the satin finish or the 6-point head.
Used in
Common applications for PROTOPROTO 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.














