This document specifies the dimensions, designation, material, construction, type of delivery and marking or cartridges type A with bore for fastening screws, of style Y, i.e. with cutting edge angle for end cutting r = 85?and is applicable to lathe work.
DIN 4985-12:1997 history
1997DIN 4985-12:1997 Cartridges type A for indexable inserts - Part 12: Style Y
1970DIN 4985-12:1980 Cartridges type A for indexable inserts - Part 12: Style Y