TWH-N Accessories
Square Drive Conversion Kits, Extended Reaction Arms and Removable Handles
Product Overview
Hi-Force SDC square drive conversion kits, suitable for Hi-Force TWH-N hexagon drive hydraulic torque wrenches are available for all models, excluding TWH430N. All models are supplied complete with an easily attachable reaction foot and a standard hexagon AF size adaptor, suitable for fitment to a commonly used size of imperial or metric ratchet head, per tool type.
Product resources
- Available in 1", 1 1/2" or 2 1/2" square drive sizes
- Manufactured from aluminium
- Removable handle kits allow users to better support the tools during operation.
Square Drive Conversion Kits
Model Number | Square Drive | Hexagon AF Size | Maximum Torque Nm | Maximum Torque lbf.ft | Suitable for | Weight kg | ||
---|---|---|---|---|---|---|---|---|
in | mm | drive cylinder | incl. ratchet head | |||||
SDC27 | 1" | 1 13/16" | 46 | 2625 | 1906 | TWH27N | TWH27NRH-113 | 1.1 |
SDC54 | 1 1/2" | 2 9/16" | 65 | 5372 | 3901 | TWH54N | TWH54NRH-209 | 3.0 |
SDC120 | 1 1/2" | 3 1/8" | 80 | 11737 | 8522 | TWH120N | TWH120NRH-302 | 4.4 |
SDC210-I | 2 1/2" | 3 7/8" | - | 21216 | 15405 | TWH210N | TWH210NRH-314 | 9.1 |
SDC210-M | 2 1/2" | - | 100 | 21216 | 15405 | TWH210N | TWH210NRH-100 | 9.1 |
Note: When ordering SDC conversion kits, check to ensure that you already have the required size of ratchet head.
Removable Handle Kits
For tool model number | Model number | Hex key to fit handle kit |
---|---|---|
TWH27N | TSH27 | 3 mm |
TWH54N | TSH54 | 4 mm |
TWH120N | TSH120 | 5 mm |
TWH210N | TSH210 | 6 mm |
TWH430N | TSH430 | 8 mm |
Dimension

Extended Reaction Arms
Model Number | Length A mm | Length B mm | Height C mm | Width D mm |
---|---|---|---|---|
ERA27-20 | 499 | 525 | 45 | 50 |
ERA54-20 | 513 | 535 | 55 | 65 |
ERA120-21 | 527 | 550 | 75 | 85 |
ERA210-21 | 545 | 588 | 95 | 95 |
ERA430-22 | 565 | 628 | 120 | 120 |