IS 6150 : 1971 Specification for ISO Metric Screw Thread Measuring Prisms
| UDC 621.882.082.1 : 531.717.351 : 535.821 | PGD 25 |
|
| Reaffirmed 2019 |
1 Scope
Requirements of screw thread measuring prisms, used formeasuring the minor diameter of ISO metric external threads,ranging from 0.35 to 8 mm pitch.