PROTO J3757 SAE Double End 6-Point Flare Nut Wrench
The PROTO J3757 is a double-end, standard-head, 6-point SAE flare nut wrench made from alloy steel with a satin finish. It features a 3/4-inch head size and an overall length of 9 1/4 inches.
SKU 3G-OTH-311097
Also listed as: J 3757 · J-3757
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Product Description
The PROTO J3757 is a double-end, standard-head, 6-point SAE flare nut wrench made from alloy steel with a satin finish. It features a 3/4-inch head size and an overall length of 9 1/4 inches.
Frequently Asked Questions
What is the PROTO J3757 flare nut wrench used for?
The PROTO J3757 is a double-end, 6-point SAE flare nut wrench designed for tightening or loosening flare nuts on brake lines, fuel lines, and hydraulic fittings. Its 3/4-inch head size and 9 1/4-inch length provide leverage and access in tight spaces, commonly used in automotive and industrial maintenance.
What are the specifications of the PROTO J3757 flare nut wrench?
The PROTO J3757 is a double-end, standard-head, 6-point SAE flare nut wrench made from alloy steel with a satin finish. It has a 3/4-inch head size and an overall length of 9 1/4 inches. The manufacturer part number is J3757, and it is designed for professional use.
Where to buy the PROTO J3757 flare nut wrench worldwide?
You can source the PROTO J3757 flare nut wrench 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 PROTO tools to procurement teams and maintenance professionals internationally.
How to select the right PROTO flare nut wrench size?
To select the correct PROTO flare nut wrench, match the head size to the flare nut's hex dimension. The J3757 has a 3/4-inch head size for SAE fittings. Ensure the wrench is 6-point to prevent rounding. For other sizes, consult PROTO's sizing chart. 3G Electric can assist with sourcing the right part number for your application.
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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.