PROTO Flare Nut Wrench: Alloy Steel, Black Oxide, 9/16 in Head Size
The PROTO J3818 is a single-end, ratcheting 12-point SAE flare nut wrench made from alloy steel with a black oxide finish. It features a 9/16 in head size and an overall length of 7 1/4 in. 3G Electric interprets…
SKU 3G-OTH-594833
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Product Description
The PROTO J3818 is a single-end, ratcheting 12-point SAE flare nut wrench made from alloy steel with a black oxide finish. It features a 9/16 in head size and an overall length of 7 1/4 in. 3G Electric interprets customer demand and delivers this genuine industrial tool across 14 departments, with specialist depth in combustion, pumps and controls as an authorised distributor.
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 J3818 flare nut wrench used for?
The PROTO J3818 is a single-end, ratcheting 12-point SAE flare nut wrench used for tightening or loosening flare nuts on brake lines, fuel systems, and hydraulic fittings. Its 9/16 in head size and 7 1/4 in overall length provide access in tight spaces. 3G Electric supplies this genuine PROTO tool worldwide.
What are the specifications of the PROTO J3818 flare nut wrench?
The PROTO J3818 is an alloy steel, black oxide finished flare nut wrench with a 9/16 in head size and 7 1/4 in overall length. It is a single-end, ratcheting 12-point SAE design. The manufacturer part number is J3818. 3G Electric sources this PROTO tool for global delivery.
Where to buy the PROTO J3818 flare nut wrench worldwide?
You can buy the PROTO J3818 flare nut wrench worldwide from 3G Electric. We interpret customer demand and deliver genuine industrial tools across 14 departments, handling logistics, customs, and delivery to your location. Contact us to order this PROTO wrench for your maintenance or repair needs.
How to select the right flare nut wrench size?
To select the right flare nut wrench, match the head size to the nut on your fitting. The PROTO J3818 has a 9/16 in head size for SAE flare nuts. Ensure the wrench is alloy steel with a black oxide finish for durability. 3G Electric can help you choose the correct PROTO tool for your application.
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Common applications for PROTOPROTO Products
3G Electric supplies PROTO sae, single end, ratcheting 12-point flare nut wrenches. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.






