JB/T 9313-1999
Special kind of fine screw for optical instruments (English Version)

Standard No.

JB/T 9313-1999

Language

Chinese, Available in English version

Release Date

1999

Published By

Professional Standard - Machinery

Status

Withdraw 2010-02

Latest

JB/T 9313-1999

Scope

This standard specifies the diameter and pitch series, basic dimensions, tolerances and fits, and deviation tables for special fine threads for optical instruments with a nominal diameter of 4 mm to 260 mm. This standard applies to special fine threads for optical instruments with a nominal diameter of 4mm to 260mm.

JB/T 9313-1999 history

• 1999 JB/T 9313-1999 Special kind of fine screw for optical instruments