for external screw threads

Introduced: September 1968

Last revised: January 2006

Full Title

Measuring instruments characterised by the use of mechanical techniques > Ring or other apertured gauges, e.g. "go/no-go" gauge > 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