Torque Wrenches

TBX-12 Wrench Heads

Interchangeable Heads for Mountz TBX-12 Break-Over Wrenches

Mountz offers a comprehensive selection of imperial and metric wrench head fittings for TBX break-over wrenches. Choose from open end, box end, hex key, and ratchet heads to suit nearly any application. If you need a custom size or a solution for limited-space access, our technical support team is here to help.

Why Choose Mountz Interchangeable Heads?

Built for Performance & Durability

  • Engineered for precision – Designed for reliable, repeatable torque application.

  • Manufactured in Silicon Valley – Quality craftsmanship from a trusted industry leader.

  • Cycle tested & qualified – Proven to withstand rigorous use.





    • Torque Wrench Head Selection Guide

    Check out our selection guide to assist you in choosing the proper wrench head for your fastening application. View the Español (Spanish) version.






Open End Wrench Heads
Interchangeable Heads for TBX-12 Wrenches

A versatile, open-sided wrench head designed for quick adjustments and access to fasteners in confined spaces. (Sizes 5/32" to 7/8" and 6mm to 20mm)

Box End Wrench Head
Interchangeable Heads for TBX-12 Wrenches

A fully enclosed wrench head that delivers maximum grip, torque, and control for high-torque applications. (Sizes 732 to 7/8 and 3mm to 15mm)

Flare End Wrench Head
Interchangeable Heads for TBX-12 Wrenches

A specialized wrench head with an open design that allows access around tubes or lines while securely gripping fasteners. (Sizes 7/32 to 7/8" and 6mm to 20mm)

Hex Key Wrench Head
Interchangeable Heads for TBX-12 Wrenches

Provides firm engagement with hex type fasteners (Sizes 1/16 to 1/4 and 1.5mm to 5mm)

Box Ratchet Wrench Head
Interchangeable Head for TBX-12 Wrenches

¼" Box end reverse ratchet head

Fixed Wrench Head
Interchangeable Head for TBX-12 Wrenches

¼" Sq. Dr. fixed wrench head

Ratchet Wrench Head
Interchangeable Head for TBX-12 Wrenches

¼" Sq. Dr. reverse ratchet wrench head

Blank End Wrench Head
Interchangeable Head for TBX-12 Wrenches

Weld and configure your own head type and size.