This standard specifies indexable insert holders (hereinafter referred to as "holders") and cartridges used for turning and profiling that have square or rectangular cross-section shanks that hold indexable inserts (hereinafter referred to as "tips"). Specifies how to assign designation symbols.
JIS B 4125:1998 history
2016JIS B 4125:2016 Turning and copying tool holders and cartridges for indexable inserts -- Designation
1998JIS B 4125:1998 Tool holders and cartridges for indexable inserts -- Designation
1990JIS B 4125:1990 Tool holders for indexable inserts -- Designation