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TONE CNR-50 Cordless Torque Wrench

The CNR-50 cordless nut runner provides enhanced user experience and is capable of tightening approximately 200 bolts on a full charge. This electric square drive wrench features clockwise and counterclockwise torque measurements, a torque setting dial, and LED indicator lights.

Fully Tensioned Structural Bolts: 

A325 – 5/8″, 3/4″

A325M – M16, M20

A490 – 5/8″

A490M – M16

Adjustable Torque Range: 

150-370 ft-lb. / 200-500 N-m


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Controllable Torque Range 150~370 ft-lb. 200~500 N-m
No-Load Speed 22 rpm 22 rpm
Square Drive Size 3/4″ drive 3/4″ drive
Storage Battery DC36 V DC36V
Approx. # of Bolts Per Full Charge 200 200
Weight 12.1 lb. 5.5 kg
Repeated Accuracy ±5% ±5%
  • DC Brushless Motor
  • Remaining Storage Capacity Display
  • Torque Control Setting Dial
  • Clockwise & Counterclockwise Directions

Kit Includes

  • CNR-50 Cordless Nut Runner
  • Two (2) 36V/18V Lithium Ion 4.0AhnBatteries
  • Battery Charger
  • Carrying Case

Available Accessories

  • X-Holder Extension 100mm (3-7/8″)
  • Digital Torque Meter DTM 5
  • 3/4” (19mm) Square-Drive Sockets
  • Bar Sockets


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Kind words from our customers:

  • GWY has been a great company to work with. My company requires receipts for all credit card purchases and GWY has made this very easy. With rental equipment this usually isn't the easiest to deal with but they have made this process very smooth. I get a weekly receipt emailed to me without having to ask for it. They also have great customer service and are very helpful and friendly. Would definitely recommend.”

  • It was a great pleasure working with GWY. They go above and beyond to help with what we needed. Don was very quick on getting what we needed out to us to complete the job. Very proud to be a GWY customer.”


Does the tool come with anything?

All of our tools come with a case.  Our Turn-of-Nut & Shear Wrenches come with the one size socket and a metal case.  The cordless tools come with one or two batteries, a charger, and a case.

What is the lead time on getting this tool to me?

If we have it in stock, we can send it next day air within the US to get to you tomorrow.

Is there a warranty on your tools?

1-year manufacturers defect warranty on new tools.