1132 2122 3132 DC DCONMS BTU type drill head (3 edges) Brazed drill head with external 4-start thread for single tube system (STS), tool diameter ø15.6 - ø65 mm, CICT = 3 H (Wrench size) LF Cutting edge OAL P Steel M Stainless K Cast iron N Non-ferrous S Superalloys : First choice Standard products H Hard materials : Second choice Coated Drill tube Designation DC OAL LF DCONMS H Designation Dia. (mm) BTU-00971 16.11 16.11 ST0097 14 43 40.3 12.6 - BTU-00971 16.13 16.13 ST0097 14 43 40.3 12.6 - BTU-002 19.26 19.26 ST0000 17 47 44 15.5 18 BTU-002 19.27 19.27 ST0000 17 47 44 15.5 18 BTU-002 19.28 19.28 ST0000 17 47 44 15.5 18 BTU-002 19.3 19.3 ST0000 17 47 44 15.5 18 BTU-011 20.21 20.21 ST00 18 52.5 49.4 16 18 BTU-011 20.28 20.28 ST00 18 52.5 49.4 16 18 BTU-021 22.1 22.1 ST01 20 56 52.8 18 20 BTU-022 23.6 23.6 ST01 20 56 52.6 18 21 BTU-032 25.26 25.26 ST02 22 57.5 54 19.5 24 BTU-032 25.28 25.28 ST02 22 57.5 54 19.5 24 BTU-032 25.66 25.66 ST02 22 57.5 54 19.5 24 BTU-032 25.67 25.67 ST02 22 57.5 54 19.5 24 BTU-032 25.68 25.68 ST02 22 57.5 54 19.5 24 BTU-032 26.4 26.4 ST02 22 57.5 54 19.5 24 䖃: Line up Reference pages: Standard cutting conditions → 20, Drill tube (STS) → 16 Tungaloy 13