This standard specifies the standard chevron shape for general metric threads (M).Remarks The corresponding international standards of this standard are shown below.The symbols representing the degree of correspondence are based on ISO/IEC Guide 21 and IDT (match), MOD (modified), and NEQ (not equivalent).
JIS B 0205-1:2001 history
2001JIS B 0205-1:2001 ISO general purpose metric screw threads -- Part 1: Basic profile