Bosch Rexroth Tightening Technology
ErgoSpin and NEXO Handheld Nutrunners
Handheld nutrunners for manual workstations that record torque and angle through a transducer: ErgoSpin as angle, straight, pistol and mid-grip tools on a cable, and NEXO as a cordless nutrunner with controller, display and WLAN inside the tool. The working range is 1 to 220 Nm. Fixtured spindles for fixtures and stations are under Tightening Systems, matching cables and angle heads under Cables and Accessories.
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Buying guide
How to choose ErgoSpin and NEXO Handheld Nutrunners
What matters when choosing: properties, comparison and typical applications.
Selection criteria
| Criterion | Options | Note |
|---|---|---|
| Design | Angle (ESA), straight (ESV), pistol and mid-grip (ESM), NEXO | Angle nutrunners up to 220 Nm, straight up to 146 Nm, pistol and mid-grip up to 35 Nm |
| Torque | 1 to 220 Nm | The number in the type code gives the maximum, ESA030S-G works from 6 to 30 Nm |
| Control | CS351 compact system or in the tool | NEXO needs no external controller |
| Power | Cable or battery | ErgoSpin on a tool cable, NEXO cordless with battery |
| Output | Square drive 1/4 to 3/4 in, quick-change chuck 1/4 and 7/16 in | Square drive for sockets, quick-change chuck for bits |
Applications
Subassembly Joints with a defined torque at the manual workstation, every result is evaluated by the tightening system.
Safety-critical joints ErgoSpin with integrated transducer is suitable for joints to VDI/VDE 2862.
Changing workstations NEXO works without a cable, parameters and results travel over WLAN.
High torques ESA angle nutrunners cover up to 220 Nm, with outputs up to 3/4 in square drive.
Small joints Pistol, mid-grip and straight tools from 1 Nm, some with a 1/4 in quick-change chuck for bits.
FAQ
- Which nutrunner suits my target torque?
- The number in the type code is the maximum torque in Nm. For example, ESA030S-G works from 6 to 30 Nm and ESA100S-G from 20 to 100 Nm. Choose a type whose range includes your target torque.
- Does NEXO need a separate controller?
- No. Controller, display and WLAN are inside the tool, so there is no cable to a controller.
- Which cables do I need for ErgoSpin?
- ErgoSpin connects through tool cables with S in the code, and S-EXT extension cables bridge longer distances. Both are under Cables and Accessories.