2-effective DrillIndexable DrillDeep Hole Drill DCN-DCXh6 DCONMS BTU type drill head (Small diameter, 2 edges) Brazed rill head with external double thread for single tube system (STS), tool diameter ø12.6 - ø15.59 mm H (Wrench size) LF OAL Drilling tolerance: IT9Surface roughness: Ra 2μm Drill tube Designation DCN DCX 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 e.g. Designation for tool diameter ø13.1 mm: BTU-00941 13.10 Grade Grade (Former ISO areaname)5101520253035 40 1122 (UP ZAP) 2122 (N3 ZAP) 1122 (UP ZAP) 1122 (UP ZAP) 1122 (UP ZAP) Reference pages: Standard cutting conditions → J139, Drill tube (STS) → J140 J136 www.tungaloy.com