Calibration Services

We Offer Calibration Services for All of the Torque Tools in Our Product Line and Beyond

Our calibration systems’ 36,000 ft-lb. capacity will help you tackle your biggest projects with absolute accuracy. 

Calibration is necessary for torque wrenches and bolt tension calibrators at least once a year to ensure that they are operating accurately and reliably. We make the process quick and seamless by offering in-house calibration services performed by a team of expert technicians. Your tools will be skillfully calibrated and returned to you in record time, so you can get back to work as soon as possible.


Step 1:

Fill out the form on this page.

IMPORTANT NOTE: Before shipping your tool, include a separate copy of your information with it. This ensures that your tool is correctly identified and can be returned in a timely manner.

Step 2:

Send us your tool(s) in need of calibration to:

GWY, LLC- 217 Forest Road, Greenfield, NH 03047

*Only send your tool(s) needed for calibration

Step 3:

Once we receive your tool(s), our technicians will evaluate it and diagnose any problems you might be experiencing.

Step 4:

We will reach out with a price estimate for your calibration and receive confirmation from you to move forward with the calibration service.

Step 5:

We calibrate your tool(s) and send it back to you within 1-3 days.



Giving you top quality choices.


Calibration Request Form

  • Tool Information

  • Return Shipping Speed

  • Return Shipping

Product Calibration

For the Most Accurate Repair Services, Turn to GWY

Fast Turnaround
Our average turnaround time for torque wrench calibration is 1 to 3 days.

Partnership Mindset
Since 1975, providing long-term value through customer service has been our top priority.

In-House Repairs
We have the equipment, parts inventory and experience to quickly and accurately service your tools.

Full-Service Expertise
Our team has the knowledge, expertise and drive to help you deliver absolute accuracy at every turn.


Our areas of expertise help get the job done.

Since our beginning in 1975, GWY has been the global leader specializing in the sales, rental and repair of installation tools for structural bolts. Click below to play our company video!


Kind words from our customers:

  • 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.”

  • 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.”

Buy, Rent, or Repair with GWY