PROTO Flare Nut Wrench: Alloy Steel, Black Oxide, 16 mm Head Size
The PROTO J3816M is a metric, single-end, ratcheting 12-point flare nut wrench made from alloy steel with a black oxide finish. It features a 16 mm head size and an overall length of 7 1/4 inches.
SKU 3G-OTH-313281
Need installation or engineering help?
Ask a question
Product Description
The PROTO J3816M is a metric, single-end, ratcheting 12-point flare nut wrench made from alloy steel with a black oxide finish. It features a 16 mm head size and an overall length of 7 1/4 inches.
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 J3816M flare nut wrench used for?
The PROTO J3816M is a metric, single-end, ratcheting 12-point flare nut wrench designed for tightening or loosening flare nuts on brake lines, fuel systems, and hydraulic fittings. Its 16 mm head size and ratcheting mechanism allow access in tight spaces common in automotive and industrial maintenance.
What are the specifications of the PROTO J3816M flare nut wrench?
The PROTO J3816M is a metric, single-end, ratcheting 12-point flare nut wrench made from alloy steel with a black oxide finish. It has a 16 mm head size and an overall length of 7 1/4 inches. The manufacturer part number is J3816M.
Where to buy the PROTO J3816M flare nut wrench worldwide?
You can source the PROTO J3816M 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 on this PROTO tool.
How to maintain the PROTO J3816M flare nut wrench?
To maintain the PROTO J3816M flare nut wrench, clean it after use with a dry cloth to remove debris and moisture. Apply a light rust-preventive oil to the black oxide finish and ratcheting mechanism periodically. Store in a dry environment to prevent corrosion and ensure smooth operation.
Used in
Common applications for PROTOPROTO Products
3G Electric supplies PROTO metric, 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.












