This heavy-duty adapter wrench is designed for Yankee Hill Machine 1.375″-24 HUB mounting systems and related HUB-style adapters. It combines a 3/4″ open-ended wrench, a spanner for HUB adapters, and a 1/2″ torque-wrench slot in a compact 7.75″ package. The tool is finished with a heat-treated Melonite QPQ coating for corrosion resistance and durable service.
Key Specifications
- Compatible with 1.375″-24 HUB mounting systems and YHM Phantom Q.D. mounting interfaces.
- Includes a 3/4″ open-ended wrench for loosening and tightening Q.D. and direct-thread mounts.
- Provides a HUB spanner designed to fit around HUB adapters.
- Features a 1/2″ torque-wrench slot to assist with torque-specific installation.
- Overall length is 7.75″ for compact, workshop- or range-ready handling.
- Finished with a Heat treated Melonite QPQ coating for corrosion resistance.
- Weight is 5.792 Oz. for a balance of durability and portability.
- Listed dimensions are 0.40 X 1.90 X 8.05 inches.
- Color is Black to match common service tools and mounting hardware.
Built for informed, no-nonsense shooters and armorers who value precise, repeatable accessory installation, this wrench streamlines mounting and maintenance tasks. Its combination of open-end, spanner, and torque features in a single, heat-treated tool makes it a practical addition to a maintenance kit or range bag for users working with YHM HUB systems.
This description was generated with AI and may contain errors. Verify specifications and legal restrictions with the manufacturer before purchase. Provided “as-is” without warranties or guarantees.




