Square/Allen Drive Working Torque
TF/RT tools are supplied with a Square Drive as standard. Other drive sizes are available as accessories.
CAUTIONCheck Max Torque on Accessories
Some drive accessories cannot be operated at full capacity of the tool. Any accessories that cannot be used at full capacity will be engraved the maximum allowable torque.
Check Max Torque engraving on accessory!
The table below shows the maximum torque capacity for various drive sizes:
Drive Size Inch or mm | Drive Type | Maximum Torque | |
ft lbs | Nm | ||
1/2” | Square | 397 | 538 |
3/4” | Square | 1390 | 1885 |
1” | Square | 3230 | 4379 |
1-1/2” | Square | 11520 | 15619 |
2-1/2” | Square | 52500 | 71180 |
1/2” | Hexagon | 353 | 479 |
5/8” | Hexagon | 689 | 934 |
3/4” | Hexagon | 1191 | 1615 |
7/8” | Hexagon | 1892 | 2565 |
1” | Hexagon | 2824 | 3829 |
1-1/4” | Hexagon | 5516 | 7479 |
1-1/2” | Hexagon | 9531 | 12922 |
1-3/4” | Hexagon | 15135 | 20520 |
2” | Hexagon | 22593 | 30632 |
12mm | Hexagon | 298 | 404 |
14mm | Hexagon | 473 | 641 |
17mm | Hexagon | 846 | 1147 |
19mm | Hexagon | 1182 | 1602 |
22mm | Hexagon | 1834 | 2486 |
27mm | Hexagon | 3390 | 4596 |
32mm | Hexagon | 5644 | 7652 |
36mm | Hexagon | 8036 | 10895 |
41mm | Hexagon | 11870 | 16094 |
46mm | Hexagon | 16765 | 22730 |
50mm | Hexagon | 21530 | 29190 |
