QB/T 1906-1993
watch screw (English Version)

Standard No.
QB/T 1906-1993
Language
Chinese, Available in English version
Release Date
1994
Published By
Professional Standard - Light Industry
Status
 2014-03
Replace By
QB/T 1906-2013
Latest
QB/T 1906-2013
Scope
This standard specifies the technical requirements, test methods, inspection rules, marking, packaging and storage of watch screws (hereinafter referred to as "screws"). This standard applies to watch screws with a nominal diameter of 0.30~1.40mm, and also applies to screws for other watches and micro instruments.

QB/T 1906-1993 history

watch screw



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