DC (DCN-DCXh6) DCONMS ETU type drill head Brazed drill head with external 4-start thread for double tube system (DTS), tool diameter ø18.4 - ø65 mm, CICT = 3 H (Wrench size) LF Cutting edge OAL Non-standard products (to be supplied on request) When ordering ISO classifications for grades ETU-001 xx.xx 1122 ISO areaGrade510152025303540 1122 Drill head Diameter (mm) Grade 1132 1132 e.g. Designation for tool diameter ø19.2 mm: ETU-001 19.20 1122 2122 3132 3132 3132 3132 Designation DCN DCX Drill tube OAL LF DCONMS H Designation Dia. (mm) ETU-001 xx.xx 18.4 19.2 OT00 18 50 47.1 16 17 ETU-002 xx.xx 19.21 20 OT00 18 50 47 16 18 ETU-011 xx.xx 20.01 20.9 OT01 20 56 52.8 18 18 ETU-012 xx.xx 20.91 21.8 OT01 20 56 52.7 18 19 ETU-021 xx.xx 21.81 22.9 OT02 22 56 52.8 19.5 20 ETU-022 xx.xx 22.91 24.1 OT02 22 56 52.6 19.5 21 ETU-031 xx.xx 24.11 25.2 OT03 24 57.5 54 21 23 ETU-032 xx.xx 25.21 26.4 OT03 24 57.5 54 21 24 ETU-041 xx.xx 26.41 27.5 OT04 26 60.5 56.8 23.5 25 ETU-042 xx.xx 27.51 28.7 OT04 26 60.5 56.8 23.5 26 ETU-051 xx.xx 28.71 29.8 OT05 28 63.5 59.5 25.5 27 ETU-052 xx.xx 29.81 31 OT05 28 63.5 59.3 25.5 28 ETU-061 xx.xx 31.01 32.1 OT06 31 63.5 59.4 28 29 ETU-062 xx.xx 32.11 33.3 OT06 31 63.5 59.2 28 30 ETU-071 xx.xx 33.31 34.8 OT07 33 70.5 66 30 32 ETU-072 xx.xx 34.81 36.2 OT07 33 70.5 65.8 30 33 ETU-081 xx.xx 36.21 37.3 OT08 36 73.5 68.7 33 34 ETU-082 xx.xx 37.31 38.4 OT08 36 73.5 68.5 33 35 ETU-083 xx.xx 38.41 39.6 OT08 36 73.5 68.3 33 36 ETU-091 xx.xx 39.61 40.6 OT09 39 73.5 68.2 36 37 ETU-092 xx.xx 40.61 41.8 OT09 39 73.5 68 36 38 ETU-093 xx.xx 41.81 43 OT09 39 73.5 67.9 36 39 ETU-101 xx.xx 43.01 44.3 OT10 43 75 69.5 39 41 ETU-102 xx.xx 44.31 45.6 OT10 43 75 69.3 39 42 ETU-103 xx.xx 45.61 47 OT10 43 75 69.1 39 43 ETU-111 xx.xx 47.01 48.5 OT11 47 79 72.9 43 44 ETU-112 xx.xx 48.51 50.1 OT11 47 79 72.8 43 46 ETU-113 xx.xx 50.11 51.7 OT11 47 79 72.5 43 47 ETU-121 xx.xx 51.71 53.2 OT12 51 82 75.3 47 49 ETU-122 xx.xx 53.21 54.7 OT12 51 82 75.5 47 50 ETU-123 xx.xx 54.71 56.2 OT12 51 82 75.3 47 51 ETU-131 xx.xx 56.21 58.4 OT13 56 84 77.4 51 54 ETU-132 xx.xx 58.41 60.6 OT13 56 84 76.9 51 55 ETU-133 xx.xx 60.61 62.8 OT13 56 84 77 51 57 ETU-134 xx.xx 62.81 65 OT13 56 84 76.6 51 59 Reference pages: Standard cutting conditions → 20, Drill tube (DTS) → 18 Tungaloy 15