ISO13399 Compliant dimension markings 11. Solid end mill 13. Milling inserts Symbol Detail Previous symbol Symbol Detail Previous symbol APMX Max. depth of cut ℓ BCH Corner chamfer length X C Chamfer width C BS Wiper edge width Z DC Cutting dia. øDc D1 Hole diameter ød DCON Shank dia. øDs IC I.C. Size A DN Neck dia. øD1 INSL Insert length W LF Overall length L L Cutting edge length W LU Under neck length ℓ2 RE Corner-R rε RE Corner-R rε, r S Insert thickness T ZEFP No. of inserts Z 14. Tool 12. Solid drill Symbol Detail Previous symbol Symbol Detail Previous symbol APMX Max. depth of cut S OAL Overall length L CBDP Connection bore depth E DC Cutting dia. øDc DC Cutting dia. øD DCON Shank dia. øDs DCB Bore dia. ød LCF Flute length ℓ DCON Shank dia. øDs LN Under neck length ℓ2 DCSFMS Contact surface dia. øD2 LS Shank length Ls DCX Maximum cutting dia. øD1 LU Usable length ℓe KDP Keyway depth a KWW Keyway width b LF Toolholder height H LH Head length ℓ BS 45˚ S APMX RE LU LF S AS BCH R DCSFMS RE DCCB2 DCB KWW DCCB3 APMX LF DCCB4 DCCB1 45° LU LS DC LCF DCX OAL LCF APMX LN LH OAL LF R5 DCDC DCDC DN 30° 30° DCON DCON DCONDCON BCHDCX DC 45° IC AN KDP CBDP APMX LF INSLDCON D1 Technical information BS