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TONE GNR-81E Torque Wrench featuring a red L-shaped attachment, black handle, and signature TONE branding.

TONE GNR-81E Torque Wrench

State-of-the-art, high accuracy electric nut runner for torque-controlled installation. Powerful, compact, and lightweight.

Fully Tensioned Structural Bolts: 

A325 – 5/8″, 3/4″, 7/8″

A325M – M16, M20, M22

A490 – 5/8″, 3/4″

A490M – M16, M20

 Adjustable Torque Range: 

250–600 ft-lb. (340–800 N-m)

 
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Specifications

TONE Model GNR-81E GNR-82E
Voltage 110-120 V 220-230 V
Maximum Current 14.5 A 7.5 A
Maximum Power Consumption 1,650 W 1,650 W
Adjustable Torque Range 250~600 ft-lb. 340~800 N-m
No-load Speed 19 rpm 19 rpm
Square Drive Size 3/4″ drive 3/4″ drive
Tool Weight 11.9 lb. 5.4 kg

 

Features

  • Repeated Accuracy of ±5%
  • Torque Control Dial
  • Clockwise & Counterclockwise Torque Directions
  • Colored LED Indicator Lights
  • Double Insulated for Enhanced Safety
 Accessories 

What’s in the Case? | GNR Series Overview
Take a quick look at what comes with a corded torque wrench and its essential accessories. Inside the case, you’ll find:

  • GNR corded torque wrench
  • Impact socket OR bar socket of your choice
  • Two flathead screwdrivers
  • Instruction manual, calibration certificate, cord chart, and safety card

Documents

Helpful resources:

Instructional Manual

Dimensioned Drawing

Parts Diagram

Torque Catalog

Extension Cord Chart

Safety Precautions

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Testimonials

Kind words from our customers:

  • “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.”

    Ron
    GEM Inc.

  • “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.”

    Jake
    South Capital Bridgebuilders

FAQs

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.

Does the tool come with anything?

All of our tools come with a case. Wrenches come with one socket size, as well as screwdriver to change sockets. Turn-of-Nut and torque wrenches have an additional screwdriver to set the torque/angle. Depending on the model, a safety card, cord chart, and a tool manual is included. Cordless tools come with two batteries and a charger.