ISO 11381:1994

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).


General information

  • Status :  Withdrawn
    Publication date : 1994-12
  • Edition : 1
  • :
    ISO/TC 172/SC 7
    Ophthalmic optics and instruments
  • 11.040.70
    Ophthalmic equipment

Life cycle

A standard is reviewed every 5 years



Revisions / Corrigenda

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