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ISO 11381:1994 PDF
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Optics and optical instruments — Ophthalmic optics — Screw threads
Specifies requirements for ISO metric screw threads for use with spectacle frames. Provision is made for screw threads of the following nominal sizes: S0,8 × 0,2, M1,0 × 0,25, M1,2 × 0,25, M1,4 × 0,3, M1,6 × 0,35 and M2,0 × 0,4, and for related taps and gauges (in accordance with ISO 529 and ISO 1502).
| Edition | 1994 |
|---|---|
| Published Date | 1994 |
| Published By | International Standardization Organisation |
| Page Count | 4 |
