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PROTO Flare Nut Wrench: Alloy Steel, Black Oxide, 9/16 in Head Size - SAE, Single End, Ratcheting 12-Point Flare Nut Wrenches
PROTOSAE, Single End, Ratcheting 12-Point Flare Nut Wrenches

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

Brand
PROTO
Item
Flare Nut Wrench: Alloy Steel, Black Oxide, 9/16 in Head Size
Category
SAE, Single End, Ratcheting 12-Point Flare Nut Wrenches
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Technical Specifications

PROTO
Manufacturer Part Number
J3818
Type
Black Oxide
Overall Lg
7 1/4 in
Head Size
9/16 in
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PROTO Products
3G Electric (S) Pte. Ltd. — Singapore

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.

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.

Used in

Common applications for PROTO
Automotive assembly — PROTO J72102 impact socket set for fastening lug nuts on production lines
Heavy equipment maintenance — PROTO J3772T flare nut wrench for hydraulic line fittings on excavators
General industrial repair — PROTO J795SA adjustable wrench set for tightening bolts on conveyor systems
Aerospace manufacturing — PROTO J5240A slotted bit socket for adjusting fasteners in confined spaces
Oil and gas pipeline work — PROTO J5438 12-point socket for valve assembly in refineries
Construction site toolkits — PROTO J8179-T500 double box wrench for structural steel bolting

PROTO 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.

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PROTO Flare Nut Wrench: Alloy Steel, Black Oxide, 5/8 in Head Size, 7 1/4 in Overall Lg (MPN J3820). Key specifications — attr309723: No; attr309730: Black Oxide; attr309729: Alloy Steel; attr324937: PROTO.
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PROTO Flare Nut Wrench: Alloy Steel, Black Oxide, 5/8 in Head Size, 7 1/4 in Overall Lg (MPN J3820). Key specifications — attr309723: No; attr309730: Black Oxide; attr309729: Alloy Steel; attr324937: PROTO.
PROTO Flare Nut Wrench: Alloy Steel, Black Oxide, 13/16 in Head Size, 9 1/2 in Overall Lg (MPN J3826). Key specifications — attr309723: No; attr309730: Black Oxide; attr309729: Alloy Steel; attr324937: PROTO.
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