PROTO Flare Nut Wrench: Alloy Steel, Satin, 9/16 in Head Size
The PROTO Flare Nut Wrench (MPN J3754) is a 9/16 in head size, 7 in overall length, SAE double-end, standard-head, 6-point flare nut wrench made of alloy steel with a satin finish. It is designed for use on flare…
SKU 3G-OTH-311091
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Product Description
The PROTO Flare Nut Wrench (MPN J3754) is a 9/16 in head size, 7 in overall length, SAE double-end, standard-head, 6-point flare nut wrench made of alloy steel with a satin finish. It is designed for use on flare nuts and features a 6-point configuration for secure engagement.
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 used for?
The PROTO Flare Nut Wrench (MPN J3754) is used for tightening or loosening flare nuts on brake lines, fuel lines, and hydraulic systems. Its 6-point, double-end design provides secure engagement on SAE standard-head flare nuts, reducing rounding risk. It is common in automotive and industrial maintenance applications.
What are the specifications of the PROTO Flare Nut Wrench J3754?
The PROTO Flare Nut Wrench J3754 has a 9/16 in head size, 7 in overall length, and is made of alloy steel with a satin finish. It is an SAE, double-end, standard-head, 6-point flare nut wrench. The manufacturer part number is J3754, and it is designed for use on flare nuts.
Where to buy the PROTO Flare Nut Wrench J3754 worldwide?
You can source the PROTO Flare Nut Wrench J3754 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 provide reliable sourcing for PROTO tools.
How to select the correct PROTO flare nut wrench size?
To select the correct PROTO flare nut wrench, match the wrench head size to the flare nut's hex dimension. For the J3754, the head size is 9/16 in. Ensure the wrench is SAE for standard nuts and has a 6-point configuration to minimize slippage. Always verify the nut size before use.
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.














