IC908 IC907 INDEXABLE DRILLS KCH BCH ICK (continued) Exchangeable Drilling Heads for DCN Drills, for DC SIG Machining ISO K Materials LF PL Dimensions Tough 1  Hard Designation DC LF PL BCH KCH SIG SSC(1) ICK 234 23.40 7.88 5.450 2.76 30.0 140 23.0 • ICK 235 23.50 7.88 5.450 2.76 30.0 140 23.0 • • ICK 236 23.60 7.88 5.450 2.76 30.0 140 23.0 • ICK 238 23.80 7.88 5.450 2.76 30.0 140 23.0 • ICK 239 23.90 7.88 5.450 2.76 30.0 140 23.0 • ICK 240 24.00 8.21 5.690 2.88 30.0 140 24.0 • • ICK 243 24.30 8.21 5.690 2.88 30.0 140 24.0 • ICK 245 24.50 8.21 5.690 2.88 30.0 140 24.0 • ICK 247 24.70 8.21 5.690 2.88 30.0 140 24.0 • ICK 248 24.80 8.21 5.690 2.88 30.0 140 24.0 • ICK 249 24.90 8.21 5.690 2.88 30.0 140 24.0 • ICK 250 25.00 8.56 5.940 3.00 30.0 140 25.0 • • ICK 251 25.10 8.56 5.940 3.00 30.0 140 25.0 • ICK 252 25.20 8.56 5.940 3.00 30.0 140 25.0 • ICK 253 25.30 8.56 5.940 3.00 30.0 140 25.0 • ICK 254 25.40 8.56 5.940 3.00 30.0 140 25.0 • ICK 255 25.50 8.56 5.940 3.00 30.0 140 25.0 • ICK 256 25.60 8.56 5.940 3.00 30.0 140 25.0 • ICK 258 25.80 8.56 5.940 3.00 30.0 140 25.0 • • ICK 259 25.90 8.56 5.940 3.00 30.0 140 25.0 • ICK 260 26.00 9.05 6.020 3.12 30.0 140 26.0 • ICK 264 26.40 9.05 6.020 3.12 30.0 140 26.0 • ICK 265 26.50 9.05 6.020 3.12 30.0 140 26.0 • ICK 269 26.90 9.05 6.020 3.12 30.0 140 26.0 • ICK 270 27.00 9.44 6.210 3.24 30.0 140 27.0 • ICK 275 27.50 9.44 6.210 3.24 30.0 140 27.0 • ICK 279 27.90 9.44 6.210 3.24 30.0 140 27.0 • ICK 280 28.00 9.78 6.440 3.36 30.0 140 28.0 • ICK 285 28.50 9.78 6.440 3.36 30.0 140 28.0 • ICK 289 28.90 9.78 6.440 3.36 30.0 140 28.0 • ICK 290 29.00 10.10 6.700 3.48 30.0 140 29.0 • ICK 295 29.50 10.10 6.700 3.48 30.0 140 29.0 • ICK 299 29.90 10.10 6.700 3.48 30.0 140 29.0 • ICK 300 30.00 10.45 6.930 3.60 30.0 140 30.0 • ICK 305 30.50 10.45 6.930 3.60 30.0 140 30.0 • ICK 309 30.90 10.45 6.930 3.60 30.0 140 30.0 • ICK 310 31.00 10.78 7.180 3.72 30.0 140 31.0 • ICK 315 31.50 10.78 7.180 3.72 30.0 140 31.0 • ICK 3175 31.75 10.78 7.180 3.72 30.0 140 31.0 • ICK 319 31.90 10.78 7.180 3.72 30.0 140 31.0 • ICK 320 32.00 11.18 7.360 3.84 30.0 140 32.0 • ICK 325 32.50 11.18 7.360 3.84 30.0 140 32.0 • ICK 329 32.90 11.18 7.360 3.84 30.0 140 32.0 • • The drill head is produced with a ground chamfer and a honed cutting edge • For cutting conditions see page 68-81 (1) Seat size code For tools, see pages: DCN A-1.5D (4) • DCN R-1.5D (5) • DCN A-3D (6) • DCN R-3D (7) • DCN A-5D (8) • DCN R-5D (9) • DCN A-8D (10) • DCN R-8D (11) • DCN R-10D (11) • DCN R-12D (12) • DCN C-3D (13) • DCN C-5D (13) • DCN C-8D (14) • DCN C-12D (14) • DCNS-3D (15) • DCNS-5D (16) • DCNM (17) • DCNT (M8-M24) (136) • MNSNT (293) 31