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TONE GNBC-81E Minimal Clearance Torque Wrench

The GNBC-81 is our smallest minimal clearance torque wrench with an adjustable torque range, torque setting dial, and LED indicator lights.

Fully Tensioned Structural Bolts: 

A325 – 5/8″, 3/4″, 7/8″

A325M – M16, M20, M22

A490 – 5/8″, 3/4″

A490M – M16, M20, M22

Adjustable Torque Range: 

250–600 ft-lb. / 340–813 N-m

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Business Hours: 8am - 5pm Est


Voltage 110-120 V 220-230 V
Frequency 50-60Hz 50-60Hz
Maximum Current 13.5 A 7 A
Maximum Power Consumption 1,550 W 1,550 W
Adjustable Torque Range 260-590 ft-lb. 350-800 N-m
No-load Speed 17 rpm 17 rpm
Weight 11.7 lb. 5.3 kg
Repeated Accuracy ± 5% ± 5%

Available Accessories

  • Bar Sockets


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Kind words from our customers:

  • I have enjoyed working with GWY. Their people know their product well. Their prompt response and delivery of the product is as good as any service Ogeechee Steel has ever had the pleasure of doing business with.”

  • GWY’s parts inventory and response is top notch. You can expect prompt, respectful, knowledgeable answers to questions and full cooperation when you need it. Truly a mark of a reputable company with a good team.”


Do you sell tools outside the country?

Yes, we provide tools all over the world.

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.

Is there a warranty on your tools?

1-year manufacturers defect warranty on new tools.

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.