TONE Turn-of-Nut wrenches are custom designed with timesaving features that minimize error and maximize on the job productivity. Installing hex-head bolts with Turn-of-Nut or DTIs has never been easier.
The TONE TN-20EZ Turn-of-Nut Wrench is a corded tool designed for tightening hex-head structural bolts using the Turn-of-Nut method or DTIs. It combines angle control in 1° increments, an adjustable angle setting dial, repeated accuracy of ±10°, and a reaction bar that absorbs torque to support consistent fastening on the job.
The supplied case contents are a corded Turn-of-Nut wrench, a bar socket of your choice, two flathead screwdrivers, and an instruction manual, cord chart, safety card, and stickers. The specification tables also list the applicable fully tensioned structural bolt sizes and the inch and metric socket dimensions for the model.
| Fully Tensioned Structural Bolts | Maximum Torque |
|---|---|
| A325 – 5/8″, 3/4″ | 398 ft-lb. (540 N-m) |
| A325M – M16, M20 | |
| A490 – 5/8″ | |
| A490M – M16 |
| Model | TONE TN-20EZ |
|---|---|
| Maximum Torque | 398 ft-lb. (540 N-m) |
| No-load Speed | 22 rpm |
| Tool Weight | 11.2 lb. (5.1 kg) |
| Inch Sockets | Metric Sockets | |||
|---|---|---|---|---|
| Nut Dimension Across Flats | Heavy-Hex Bolt Diameter | Nut Dimension Across Flats | Heavy-Hex Bolt Diameter | Finished Hex Bolt Diameter |
| 1-1/16″ | 5/8″ | 24 mm | – | M16 |
| 1-1/4″ | 3/4″ | 27 mm | M16 | M18 |
| – | – | 30 mm | – | M20 |
The complete drawings below retain the original technical content after removal of the source distributor branding.
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