Calibration

Absolute Accuracy® for Every Turn.

Industrial Tool Calibration

Proper calibration is essential for maintaining torque tool accuracy, safety, and compliance on every jobsite. We provide fast, in-house calibration services performed by expert technicians using a high-capacity system. Every tool is thoroughly inspected and tested to ensure it meets manufacturer specifications to deliver reliable performance. Our calibration services help keep your tools operating with the consistency needed to tackle your biggest projects with absolute accuracy.

Benefits of Our Calibration Services:

  • Accurate Results – Repeatable measurements within specified tolerances for dependable installation performance.
  • Quick Turnaround – Prompt calibration and return services to help minimize downtime and costly delays.
  • Calibration Documentation – Certificates provided for quality assurance, traceability, and regulatory compliance.
  • All Makes & Models – Calibration services are available for torque tools, wrenches, and bolt tension calibrators.
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Brands We Calibrate

Giving you top quality choices.

Get a Free Calibration Quote

To get started:

1. Complete & Submit Form
Fill out the calibration request form with your information and tool details.

2. Send Us Your Tool
Ship or drop your off tool at our facility:

GWY, LLC
Attn: Calibration Department
217 Forest Road, Greenfield, NH 03047

Important Note: Do not ship any sockets or additional parts with the tool. Please include your contact information including name, company, phone number, and email, so we can process your calibration quickly.

3. Assessment & Quote
Our technicians inspect your tool to assess any needed repairs and provide an estimate before performing any service.

4. Calibration & Testing
Tools are inspected, calibrated, and tested to ensure it meets industry and tool specifications.

5. Return & Documentation
Your tool is returned to you with a certificate of calibration, ready for immediate use.

A person's hand holds a thermal imaging camera above a measurement device connected to a tablet.

Routine calibration helps ensure your torque tools remain accurate, compliant, and jobsite ready. Industry standards recommend calibrating torque tools at least once a year or every 5,000 cycles. Tools exposed to heavy use, harsh environments, or frequent transport may require more regular calibration to maintain accuracy and performance.

  • Tool Information

  • Return Address

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Calibration Process

Our areas of expertise help get the job done.

Since 1975, GWY has been the global leader specializing in the sales, service, and expertise of installation tools for structural bolts.

For the Most Accurate Calibration Services, Turn to GWY

Fast Turnaround
Our average turnaround time to perform a calibration service is 1 to 3 days.

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

In-House Calibrations
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.

Buy, Rent, or Repair with GWY

Frequently Asked Questions

Does GWY provide a calibration certificate?

Yes, GWY provides documentation for all tool calibrations performed.

How often should my tools be calibrated?

GWY recommends annual calibration or calibration every 5,000 cycles, whichever comes first. More frequent calibration may be appropriate depending on equipment use, project requirements, and jobsite conditions.

Why is calibration important for structural bolting tools?

Proper calibration helps ensure that equipment is delivering accurate and repeatable results. Maintaining calibrated equipment is an important part of verifying that installation requirements are being met.

What calibration capacity does GWY offer?

GWY’s calibration system has a capacity of up to 36,000 ft-lb, allowing us to calibrate a broad range of structural bolting equipment.

Testimonials

Kind words from our customers:

  • “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.”

  • “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.”

  • “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 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.”

  • “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.”

  • “Thanks for all that you do for us. We really appreciate all the support over the years and the continued relationship your team has with our team. We couldn't build the future without the assistance of your products, services, and the team that backs it.”