EN ISO 11381:2016 PDF
Ophthalmic optics - Spectacle frames - Screw threads (ISO 11381:2016)
Ophthalmic optics - Spectacle frames - Screw threads (ISO 11381:2016)
- Статус документа:
- Действующий
- Формат:
- Электронный (PDF)
- Количество страниц:
- 11
- Дата публикации:
- 19 октября 2016 г.
- Издание:
- CEN EN 11381 edition 2 version 1
- ICS:
- 11.040.70
ISO 11381:2016 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.
Abstract
Overview
EN (Ophthalmic optics - Spectacle frames - Screw threads) specifies ISO metric screw-thread requirements for spectacle-frame use. Published by CEN and identical to , it covers nominal screw sizes, classes of fit, length tolerances, and requirements for related taps and gauges used in ophthalmic optics and spectacle-frame manufacture.
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