Should you have feedback on this article, please complete the fields below. Please indicate if your feedback is in the form of a letter to the editor that you wish to have published. If so, please be ...

The BoltMike III ultrasonically measures tension and clamp load of threaded fasteners. The instrument weighs 2.5 lb. and has an easy-to-read display. It runs up to 40 hr. on standard ``AA'' batteries.

Although measurement of the torque applied to a bolt or other threaded fastener during tightening provides sufficient feedback in most applications, there are more specialised tasks where measurement ...