DC (DCN-DCXh6) DCONMS BTU type drill head (Small diameter, 2 edges) Brazed drill head with external 2-start thread for single tube system (STS), tool diameter ø12.6 - ø15.59 mm, CICT = 2 H (Wrench size) LF Cutting edge OAL Non-standard products (to be supplied on request) When ordering ISO classifications for grades BTU-00941 xx.xx 1122 ISO areaGrade510152025303540 1122 Drill head Diameter (mm) Grade 2122 1122 e.g. Designation for tool diameter ø13.1 mm: BTU-00941 13.10 1122 1122 1122 1122 Designation DCN DCX Drill tube OAL LF DCONMS H Designation Dia. (mm) BTU-00941 xx.xx 12.6 13.1 ST0094 11 43 41.9 9.6 10 BTU-00942 xx.xx 13.11 13.6 ST0094 11 43 41.9 9.6 10 BTU-00951 xx.xx 13.61 14.1 ST0095 12 43 41.8 10.6 11 BTU-00952 xx.xx 14.11 14.6 ST0095 12 43 41.8 10.6 11 BTU-00961 xx.xx 14.61 15.1 ST0096 13 43 41.7 11.6 12 BTU-00962 xx.xx 15.11 15.59 ST0096 13 43 41.7 11.6 12 Reference pages: Standard cutting conditions → 20, Drill tube (STS) → 16 12 www.tungaloy.com