BSI - BS 3172-2
Screw threads for spectacle frames. Specification for screw threads (metric series) for spectacle frames
inactive, Most Current
| Organization: | BSI |
| Publication Date: | 30 September 1980 |
| Status: | inactive |
| ICS Code (Ophthalmic equipment): | 11.040.70 |
| ICS Code (Metric screw threads): | 21.040.10 |
scope:
ISO metric screw threads, provision being made for nominal sizes S 0.8 x 0.20, M 1.0 x 0.25, M 1.2 x 0.25, M 1.4 x 0.30 and M 1.6 x 0.35 and for related taps and gauges. Appendix A gives recommendations for gauging practice.
Document History
BS 3172-2
September 30, 1980
Screw threads for spectacle frames. Specification for screw threads (metric series) for spectacle frames
ISO metric screw threads, provision being made for nominal sizes S 0.8 x 0.20, M 1.0 x 0.25, M 1.2 x 0.25, M 1.4 x 0.30 and M 1.6 x 0.35 and for related taps and gauges. Appendix A gives...