JSA - JIS B 1003
Fasteners - Ends of parts with external ISO metric thread
| Organization: | JSA |
| Publication Date: | 21 April 2014 |
| Status: | active |
| Page Count: | 11 |
| ICS Code (Fasteners in general): | 21.060.01 |
scope:
This Standard specifies the form and dimensions of ends of parts with external ISO metric screw thread (e.g. bolt, screw and stud ends) recommended for use. They apply to standardized or non -standardized threaded parts.
For each end type, a symbol is specified and it is intended that these symbols be used when specifying one of the ends for threaded fasteners.
NOTE: The International Standard corresponding to this Standard and the symbol of degree of correspondence are as follows:
ISO 4753: 2011 Fasteners-Ends of parts with external ISO metric thread (IDT)
The symbols which denote the degree of correspondence in the contents between the relevant International Standard and JIS are IDT (identical), MOD (modified), and NEQ (not equivalent) according to ISO/ lEC Guide 21-1.
Document History
