DCN-DCXh6 DCONMS GradeInsertExt. ToolholderInt. ToolholderThreadingGroovingMiniature toolMilling cutterEndmillDrilling toolTooling SystemUser's GuideIndex BTU type drill head (3 edges) A Brazed drill head with external quadruple thread for single tube system (STS), tool diameter ø15.6 - ø65 mm H (Wrench size) B LFOAL Drilling tolerance: IT9Surface roughness: Ra 2μmC Drill tube Designation DCN DCX OAL LF DCONMS H Designation Dia. (mm) BTU-00971 xx.xxBTU-00972 xx.xxBTU-00981 xx.xxBTU-00982 xx.xx15.616.2ST0097 1416.2116.7ST00971416.7117.2ST00981517.2117.7ST0098154343434340.312.640.312.640.313.640.313.6-141515D BTU-00991 xx.xx 17.71 18.4 ST0099 16 47 44.2 14.5 15 BTU-00992 xx.xx 18.41 18.9 ST0099 16 47 44.1 14.5 - BTU-001 xx.xx 18.91 19.2 ST0000 17 47 44.1 15.5 17 BTU-002 xx.xxBTU-011 xx.xxBTU-012 xx.xx19.2120.0120.9120 ST0000 1720.9ST001821.8ST001847 44 15.552.549.41652.549.416181819 E BTU-021 xx.xx 21.81 22.9 ST01 20 56 52.8 18 20 BTU-022 xx.xx 22.91 24.1 ST01 20 56 52.6 18 21 BTU-031 xx.xx 24.11 25.2 ST02 22 57.5 54 19.5 23 BTU-032 xx.xxBTU-041 xx.xxBTU-042 xx.xxBTU-051 xx.xx25.2126.4127.5128.7126.4ST02 2227.5ST032428.7ST032429.8ST042657.554 19.557.553.82157.553.82163.559.523.524252627 F BTU-052 xx.xx 29.81 31 ST04 26 63.5 59.3 23.5 28 BTU-061 xx.xx 31.01 32.1 ST05 28 63.5 59.4 25.5 29 BTU-062 xx.xx 32.11 33.3 ST05 28 63.5 59.1 25.5 30 BTU-071 xx.xxBTU-072 xx.xxBTU-081 xx.xx33.3134.8 ST06 30 63.5 59 2834.8136.2ST063063.558.92836.2137.3ST073373.568.730323334G BTU-082 xx.xx 37.31 38.4 ST07 33 73.5 68.5 30 35 BTU-083 xx.xx 38.41 39.6 ST07 33 73.5 68.3 30 36 BTU-091 xx.xx 39.61 40.6 ST08 36 73.5 68.2 33 37 BTU-092 xx.xxBTU-093 xx.xxBTU-101 xx.xxBTU-102 xx.xx40.6141.8 ST08 36 73.5 68 3341.8143ST083673.567.83343.0144.3ST09397569.53644.3145.6ST09397569.33638394142H BTU-103 xx.xx 45.61 47 ST09 39 75 69.1 36 43 BTU-111 xx.xx 47.01 48.5 ST10 43 75 68.8 39 44 BTU-112 xx.xx 48.51 50.1 ST10 43 75 68.7 39 46 BTU-113 xx.xxBTU-121 xx.xxBTU-122 xx.xx50.1151.7 ST10 43 75 68.5 39 4751.7153.2ST11478275.2434953.2154.7ST11478275.24350I BTU-123 xx.xx 54.71 56.2 ST11 47 82 75.2 43 51 BTU-131 xx.xx 56.21 58.4 ST12 51 84 77.4 47 54 BTU-132 xx.xx 58.41 60.6 ST12 51 84 76.9 47 55 BTU-133 xx.xxBTU-134 xx.xxBTU-133L xx.xxBTU-134L xx.xx60.6162.8ST12 5162.8165ST125160.6162.8ST135662.8165ST13568476.8478476.5478476.8518476.55157595759 J e.g. Designation for tool diameter ø16.2 mm: BTU-00971 16.20 Grade Grade (Former ISO areaname)510152025303540 K 1122 (UP ZAP) 1132 (UX-2 ZAP) 1132 (UX-2 ZAP)2122(N3 ZAP)3132(TFKS ZAP) L 3132 (TFKS ZAP) 3132 (TFKS ZAP) M Reference pages: Standard cutting conditions → J139, Drill tube (STS) → J140 Tungaloy J137