The Standard by which
Torque is Calibrated

Torque calibration from 2 ozf·in up to 150,000 lbf.ft. [203,000 N·m]

Oil & Gas Industry

Oil and Gas companies use A.K.O., Inc torque calibration systems to constantly verify the accuracy of their industrial bolting tools.

Calibration Laboratories

We provide Calibration Laboratories with our highly accurate torque tool calibration systems designed for extreme accuracy and durability.

Fastener Industry

A.K.O. manufactures full rotation, automated fastener torque testing machines, able to perform custom test routines.


We are honored to work with the members of our armed forces on their torque calibration needs.

Power Generation

We have an extensive history of working with nuclear power and consistently meeting the high standards of the industry, making us a trusted torque calibration equipment and services partner.

Click Wrench Calibration Systems

Hydraulic Wrench Calibration Systems

Multiplier Torque Calibration Systems

Pneumatic/Electric Torque Wrench Calibration

Fastener Testing Systems

Transducer Calibration Systems

Torque Verification Stands

Superior Reliability: Torque Measurement Products

Unrivaled accuracy and speed, available as manual and automated systems for all torque wrench models and types.
For rapid, precise measurement of hydraulic wrenches with any output drive configuration up to 150000 lbf-ft.
Exact ratio measurements at unparalleled speed using dual torque transducers driven by a rotary actuator.
Quickly calibrate rotary torque tools with realistic joint simulation and robust reaction structures.
Our full-rotation, digitally-controlled systems can test a variety of fastener types in a wide range of sizes.
Complete deadweight calibration of torque transducers with capacities up to 20000 lbf-ft and the highest accuracy in the industry.
Ensure production efficiency with pre-application tool verification directly on the shop floor backed by transducers accurate to 0.1% of reading.

Contact Our Experts

Custom Solutions
For Unique Needs

Often imitated,
Never duplicated.

A.K.O. torque calibration
systems and services
set the standard for
quality and excellence.

Indicators & Accessories

Accurate indicators, transducers, software, and more to assist with precision torque tool calibration.

Adapters, Plates & Bushings

Easy-to-use and can pair with our various systems for torque tool calibration you can rely on.

Calibration Lab Services

Using internally developed specialty torque calibration equipment, we offer trusted torque wrench calibration and calibration services with the highest capacity in the industry.

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