PROTO Flare Nut Wrench: Alloy Steel, Satin, 3/4 in_7/8 in Head Size
The PROTO J3776H is a double-end, standard-head, 6-point SAE flare nut wrench made from alloy steel with a satin finish. It features 3/4 in and 7/8 in head sizes and a 9 1/2 in overall length.
SKU 3G-OTH-311104
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Product Description
The PROTO J3776H is a double-end, standard-head, 6-point SAE flare nut wrench made from alloy steel with a satin finish. It features 3/4 in and 7/8 in head sizes and a 9 1/2 in overall length.
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 J3776H flare nut wrench used for?
The PROTO J3776H is a double-end, 6-point SAE flare nut wrench designed for tightening or loosening flare nuts on hydraulic, fuel, and refrigeration lines. Its 3/4 in and 7/8 in head sizes and 9 1/2 in overall length provide leverage and access in tight spaces.
What are the specifications of the PROTO J3776H flare nut wrench?
The PROTO J3776H is a double-end, standard-head, 6-point SAE flare nut wrench made from alloy steel with a satin finish. It has head sizes of 3/4 in and 7/8 in, and an overall length of 9 1/2 in. The manufacturer part number is J3776H.
Where to buy the PROTO J3776H flare nut wrench worldwide?
3G Electric supplies the PROTO J3776H flare nut wrench worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us to source this PROTO wrench for your maintenance or production needs.
How to select the right flare nut wrench size?
To select the right flare nut wrench, match the wrench head size to the nut's hex dimension. For the PROTO J3776H, use the 3/4 in end for 3/4 in nuts and the 7/8 in end for 7/8 in nuts. Ensure the 6-point design fully engages the nut to prevent rounding.
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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.















