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Use accurate torque controls to improve quality! Case examples can be found in torque handbook 10
GLOBAL HOMEHOME > Products > Accessories > Interchangeable Head
Interchangeable Head
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Interchangeable Head
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Interchangeable Bit
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Interchangeable Socket
Search for interchangeable heads
You can also perform a product search by entering the model and width across flats. After entering items, click the "Search Product" button.
* Note: Prices are those listed for sale in Japan.
QH Ratchet Head
QH ratchet heads have a small tightening radius to facilitate effective tightening in cramped areas. The square drive QH10D-1/4, QH15D-3/8 and QH22D-1/2 models are one size smaller than the regular models, so their sockets are cheaper.
◆ How to order
Specify “Tohnichi”, then “Model”.
Example: Tohnichi QH10D
Note 1: For models with a square drive 25.4mm or larger, use with a through-hole socket.
Note 2: Use QH15D-3/8 and QH22D-1/2 at no more than the permissible torque (Tmax).
Note 3: See here for square drive dimensions.
Note 2: Use QH15D-3/8 and QH22D-1/2 at no more than the permissible torque (Tmax).
Note 3: See here for square drive dimensions.
Ask for inventory status and price.
| Model/Type | Allowable Torque [N･m] |
Outside width [mm] |
Thickness (t) [mm] |
Length (ℓ) [mm] |
Weight [kg] |
Compliant models | JAN code | Inventory | Prices |
|---|---|---|---|---|---|---|---|---|---|
 QH6D |
- | 15 | - | 25 | 0.018 |
Coupling is possible if the Tohnichi interchangeable head torque wrench and interchangeable head dimensions are the same.  Details |
4580135821665 | Please contact us. | |
Use accurate torque controls to improve quality! Case examples can be found in torque handbook 10
