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Screw Standards List
A list of standard numbers and symbols of major screws is posted in our hole thread processing tool product catalog.
However, detailed dimensions for each individual screw name are not listed. Please contact us each time you have a limited size.
Parallel Screw
It refers to the introduction of ISO grades in 1973.
Conventional JIS standards were operated as Japan's own standards with classifications of first, second, and third grades, but in response to the trend of eliminating industrial barriers and deregulation due to internationalization, we have introduced an overseas grading system into JIS.
ISO threads, sometimes referred
In order to refer to JIS standards, it is common to refer mainly to the JIS Handbook. It can also be viewed at libraries.
Standards can be viewed via the Internet from the JISC " Japan Industrial Standards Committee website ".
(Please note that printing is
