UNI 6987-1971
Measuring instruments. Not go screw plug gauges and wear check plugs for solid and adjustable go and not go screw ring gauges for ISO metric threads with nominal diameter above 1,5 to 50 mm.

Standard No.

UNI 6987-1971

Release Date

1971

Published By

IT-UNI

Latest

UNI 6987-1971

Scope

Example and table with designation. Material: for the calibrating end, see UNI 6998-71 and UNI 6999-71; for the handle, see UNI 7008-71.

UNI 6987-1971 history

• 1971 UNI 6987-1971 Measuring instruments. Not go screw plug gauges and wear check plugs for solid and adjustable go and not go screw ring gauges for ISO metric threads with nominal diameter above 1,5 to 50 mm.