Technical Articles

Norbar Torque Tools, Inc. has published these technical articles:

A Guide To Torque Values (.pdf)
(Hand, Power and Assembly Tools)
From this Article:
A basic "for reference-only" guide to torque values, and the effect of coatings and lubrication....
Checking And Calibrating Torque Wrenches (.pdf)
(Calibration Instruments, Standards and Reference Sources)
From this Article:
A primer on calibration standards, methods, and calibration devices....
Explaining The Mysteries Of Torque (.pdf)
(Hand, Power and Assembly Tools)
From this Article:
Torque 101. This article explains what torque is, conditions that affect torque, and how to select the right tool for the job....
Getting the Best Out of Your Torque Tester - Part One (.pdf)
(Calibration Instruments, Standards and Reference Sources)
From this Article:
As discussed in the previous article, there are different types of torque tester: mechanical, hydraulic and electronic. Mechanical and hydraulic testers generally use a needle on a dial to show the...
Getting the Best Out of Your Torque Tester - Part Two (.pdf)
(Calibration Instruments, Standards and Reference Sources)
From this Article:
In an ideal world every torque device would have a range from zero to infinity. In the real world there are many reasons why torque wrenches and screwdrivers have a limited capacity. The ability of...
The Checking and Calibration of Torque Wrenches (.pdf)
(Calibration Instruments, Standards and Reference Sources)
From this Article:
In this article we will look in more detail at the ways of testing the performance of hand held torque wrenches. Starting with a reminder about the different types of torque wrench, the article will...
The Selection and Use of Torque Wrenches (.pdf)
(Hand, Power and Assembly Tools)
From this Article:
In this second of a series of articles on torque, we will consider the different types of torque wrench and discuss how to select the correct wrench for your application. Also, how to use and look...