for external screw threads

Introduced: September 1968

Last revised: January 2006

Full Title

Measuring instruments characterised by the use of mechanical techniques > Gauges with an open yoke and opposed faces, i.e. calipers, in which the internal distance between the faces is fixed, although it may be preadjustable > for external screw threads

Classification Context

Section:: PHYSICS
Class:: MEASURING; TESTING
Subclass:: MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS