Description
This heavy-duty wrench is built to service Yankee Hill Machine’s 1.375″-24 HUB mounting systems. It combines a 3/4″ open-ended wrench, a spanner for HUB adapters, and a 1/2″ torque-wrench slot into a compact hand tool finished in Melonite QPQ. The design is intended for installation and maintenance tasks where precise torque and proper engagement with YHM components matter. Durable construction and a corrosion-resistant finish make it suitable for routine armorer or gunsmith use.
Key Specifications
- Designed for YHM’s 1.375″-24 HUB mounting systems.
- One end features a 3/4″ open-ended wrench for Q.D. and direct-thread mounts.
- Opposite end provides a HUB spanner that fits YHM HUB adapters.
- Includes a 1/2″ torque-wrench slot for tightening to specified torque values.
- Finish is a heat-treated Melonite QPQ coating for surface hardness and corrosion resistance.
- Color is black.
- Compatibility: Works with YHM Phantom Q.D. mounting system.
Built to simplify installation and maintenance of YHM HUB mounts, this wrench consolidates multiple engagement points into one compact tool. Its durable finish and practical features make it a reliable addition to an armorer’s or enthusiast’s toolkit for consistent, repeatable assembly and adjustment of HUB-mounted accessories.





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