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TONE TN-30EZ Turn-of-Nut Wrench

The TN-30EZ turn-of-nut wrench is a great mid-power wrench featuring a maximum torque of 1444 ft-lb. and an angle setting dial.

Fully Tensioned Structural Bolts: 

A325 – 7/8”, 1”, 1-1/8”
A325M – M22, M24, M27
A490 – 7/8”, 1”, 1-1/8”
A490M – M22, M24, M27

Maximum Torque:

1444 ft–lb. (1958 N–m)

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Model TONE TN-30EZ
Voltage 115 V
Maximum Current 15.0 A
Maximum Power  1,300 W
Frequency 50-60 Hz
Maximum Torque 1,444 ft-lb (1,958 N-m)
No-load Speed 6 rpm
Tool Weight 17.6 lb. (8.0 kg)
Repeated Accuracy ±10°
Angle Range 90~240°

Available Accessories

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 – 7/16″ 7/8″ 36 mm M22 M24
1 – 5/8″ 1″ 41 mm M24 M27
1 – 13/16″ 1 – 1/8″ 46 mm M27 M30


Helpful resources:

Dimensioned Drawings

Instructional Manual

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  • From choosing the right equipment for each job’s unique requirements to problem solving in the field, GWY is always willing to go out of the way to find a solution. Mix that customer service in with their technical expertise and easy-to-use tools, they really help make bolt up easy.”

  • 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.”


Because the TN-tool is rotation based, can it do smaller sizes than what it is recommended for?

No, because for the tool to start counting the degrees of rotation, a certain torque must be met.

Does my TN wrench need to be calibrated?

No, turn of nut (TN) wrenches do not require calibration. TN tools are rotation tools, and they measure rotation mechanically. These tools either work or they do not. You can match mark to show they are functioning properly.

Are the same size sockets interchangeable between different tools?

Typically, the answer is no but there are exceptions.  The only interchangeable sockets for current model shear wrenches are between the GV-301ZA and the GVC-301EZ. The Older models like the S-60EZA share sockets with their newer models like the S-61EZ. The same is true for the S-90EZ and GS-91EZ as well as the S-110EZ and the GS-111EZ. There are a few TN tools that share sockets with each other such as the TN-20EZ and the TN-22EZ as well as the TN-30EZ and the TN-33EZ. The GNR series can share sockets with some of the TN tools. The GNR-31E, 51E, & 81E can use the TN-20EZ/22EZ bar sockets instead of impact sockets. The GNR-121E can use the bar sockets of the TN-24EZA and the GNR-211E can use the bar sockets of the TN-30EZ/33EZ. The GNR’s can also share impact sockets that have their correct drive size.