Ratchet Wrench Heads for TBIH & TBX-12 – FAQ & User Guide
Mountz Ratchet Wrench Heads provide interchangeable ratcheting options for compatible TBIH and TBX-12 break-over torque wrenches. Available configurations include a female hex ratchet for TBIH and square-drive and box-end ratchet options for TBX-12.
Quick Answer
Mountz Ratchet Wrench Heads allow compatible TBIH and TBX-12 break-over torque wrenches to apply torque using a ratcheting action. This allows repeated wrench movement without removing and repositioning the head from the fastener after each turn.
The available ratchet configuration depends on the wrench platform:
- TBIH: 1/4" female hex ratchet wrench head
- TBX-12: 1/4" square-drive reversible ratchet wrench head
- TBX-12: 1/4" box-end reversible ratchet wrench head
What Is a Ratchet Wrench Head?
A Ratchet Wrench Head uses a ratcheting mechanism that allows the wrench to be moved back for another tightening stroke without completely removing and repositioning the head.
This can be useful where limited space makes repeated removal and repositioning of a wrench difficult.
Mountz offers interchangeable Ratchet Wrench Heads for both the TBIH and TBX-12 break-over wrench platforms.
TBIH Ratchet Wrench Head
The TBIH Ratchet Wrench Head is an interchangeable 1/4" female hex ratchet head designed for TBIH break-over torque wrenches.
The Mountz product bulletin identifies the ratchet as reversible and states that it accepts compatible insert and power bits. The bulletin also identifies the ratchet mechanism as 6-point with 52 teeth.
Because this bulletin dates to May 2016, verify current item numbers and product specifications on the current product page when ordering.
View Ratchet Wrench Heads:
TBX-12 Ratchet Wrench Head
Mountz offers a 1/4" square-drive reversible Ratchet Wrench Head for TBX-12 break-over torque wrenches.
The square-drive configuration allows the appropriate compatible socket to be used for the fastening application.
View Ratchet Wrench Heads:
TBX-12 Box Ratchet Wrench Head
Mountz also offers a 1/4" box-end reversible ratchet head for the TBX-12.
Unlike the square-drive Ratchet Wrench Head, the Box Ratchet uses an integrated box-end configuration rather than a square drive.
View Box Ratchet Wrench Heads:
Ratchet Wrench Head Options
| Wrench | Ratchet Configuration | Connection |
|---|---|---|
| TBIH | Ratchet Wrench Head | 1/4" Female Hex |
| TBX-12 | Ratchet Wrench Head | 1/4" Square Drive |
| TBX-12 | Box Ratchet Wrench Head | 1/4" Box End |
These configurations are designed for different fastening interfaces, so select the ratchet head based on both the wrench platform and the required fastener connection.
When to Use a Ratchet Wrench Head
Consider a Ratchet Wrench Head when:
- Repeated wrench repositioning is difficult.
- The fastening location has limited working space.
- A ratcheting action is preferred for the application.
- The appropriate ratchet configuration is available for the wrench and fastener.
For TBX-12 applications, determine whether the application requires the square-drive Ratchet Head or Box Ratchet Head before selecting the head.
Selecting a Ratchet Wrench Head
When selecting a Ratchet Wrench Head, consider:
- TBIH or TBX-12 wrench compatibility
- Required fastening interface
- Fastener size
- Socket or bit requirements, where applicable
- Published specifications for the individual wrench head
- Application access
Do not assume that the different Ratchet Wrench Heads are interchangeable between wrench platforms. Select a head specifically identified for the TBIH or TBX-12 being used.
TBIH Ratchet Bits & Adapters
The TBIH Ratchet Wrench Head uses a 1/4" female hex connection.
The Ratchet Head accepts compatible TBIH bits as well as insert and power bits. Mountz also offers Ratchet Head adapters in several configurations, including Hex Head, Slotted Head, Phillips Head, and Reed & Prince adapters.
View TBIH Ratchet Head Adapters:
- Hex Head Adapters
- Slotted Head Adapters
- Phillips Head Adapters
- Reed & Prince Adapters
Maintenance & Inspection
Periodically inspect the Ratchet Wrench Head for wear, damage, or improper operation.
Before use:
- Verify that the Ratchet Head is properly installed on the compatible wrench.
- Check that the ratcheting mechanism operates correctly.
- Inspect the head and fastening interface for visible wear or damage.
- Verify that any socket or bit being used is appropriate for the application.
- Remove damaged or improperly functioning components from service.
Follow the calibration and maintenance requirements for the TBIH or TBX-12 torque wrench being used.
Media & Supporting Content


Related Content
- Wrench Heads
- Open, Box & Flare Wrench Heads for TBIH & TBX-12 FAQ
- TBIH Break-Over Torque Wrenches
- TBX Break-Over Torque Wrenches
- Mountz Hand Tools Sales Bang Sheet
- Mountz Hand Tools Digital Torque Catalog
Need Help?
- Contact Applications Engineering for setup guidance
- Speak with Sales for product selection
- Call us:
- North America:(408) 850-9978
- International: +44 1428 741756