PROTO Flare Nut Wrench: Alloy Steel, Satin, 19 mm_21 mm Head Size
The PROTO Flare Nut Wrench is a metric, double-end, standard-head, 6-point flare nut wrench made of alloy steel with a satin finish. It features 19 mm and 21 mm head sizes and a 9 1/2 in overall length (MPN J3719M).
SKU 3G-OTH-301384
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Product Description
The PROTO Flare Nut Wrench is a metric, double-end, standard-head, 6-point flare nut wrench made of alloy steel with a satin finish. It features 19 mm and 21 mm head sizes and a 9 1/2 in overall length (MPN J3719M).
Frequently Asked Questions
What is a PROTO Flare Nut Wrench used for?
The PROTO Flare Nut Wrench is used for tightening or loosening flare nuts on brake lines, fuel lines, and hydraulic fittings. Its 6-point, double-end design grips the nut flats to prevent rounding, making it essential for automotive and industrial maintenance where leak-free connections are required.
What are the specifications of the PROTO Flare Nut Wrench J3719M?
The PROTO Flare Nut Wrench J3719M is a metric, double-end, standard-head, 6-point flare nut wrench made of alloy steel with a satin finish. It has 19 mm and 21 mm head sizes and a 9 1/2 in overall length. The manufacturer part number is J3719M.
Where to buy PROTO Flare Nut Wrench worldwide?
You can source the PROTO Flare Nut Wrench J3719M 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 internationally.
How to select the right PROTO Flare Nut Wrench size?
To select the right PROTO Flare Nut Wrench, match the wrench head size to the flare nut's hex flats. For metric fittings, use the 19 mm and 21 mm sizes on this J3719M model. Ensure the wrench is alloy steel for durability and a satin finish for corrosion resistance. Always verify the nut size before use.
Used in
Common applications for PROTOPROTO Products
3G Electric supplies PROTO metric, 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.
