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Hochleistungs-Vollhartmetallbohrer

Beyond Vollhartmetall-Tieflochbohrer • Großer Werkstoff-Anwendungsbereich • Innere Kühlmittelzuführung

Features and benefits
  • HP Vollhartmetall-Tieflochbohrer mit innerer Kühlmittelzuführung für Stahl, Gusseisen und NE-Werkstoffe

  • Anwendungsspezifischer Vollhartmetall-Bohrer für Bohrungstiefen bis zu 20 x D und bis zu viermal schneller als konventionelle HSS- und Tieflochbohrer.

  • Größtes Angebot unterschiedlicher Durchmesserbereich auf dem Markt von 2,383 bis 16 mm (0,0938 bis 0,6299″).

  • Die KMH-Spitzengeometrie ist als Semi-Standard insbesondere für Kurbelwellenanwendungen erhältlich.

  • Die Sorte KCPK20™ (B27_HPG) ist eine AlCrN-TiAlN-basierte Beschichtung mit außergewöhnlicher Verschleißfestigkeit. Die neue, ultrafeinkörnige Hartmetallsorte garantiert Prozesssicherheit bei hohen Vorschüben in Stahl und Eisen.

  • Die unbeschichtete Sorte KN25™ Beyond (B27_HPS) mit hochpolierter Oberfläche gewährleistet eine hervorragende Spanabführung und verhindert die Aufbauschneidenbildung in Aluminium und hochwarmfesten Legierungen auch bei niedrigem Kühlmitteldruck oder Minimalmengenschmierung.
Product specifications
Product # 6351431
ISO Catalog Number B272Z16000SGL
ANSI Catalog Number B272Z16000SGL
Grade KCMS20
[D1] Drill Diameter Min Metric 16
[D1] Drill Diameter Min Inch .6299
[L] Overall Length Metric 413
[L3] Flute Length Metric 354
[L4] Max. Drill Depth Metric 320
[L5] Drill Point Length Metric 2,720
[LS] Shank Length Metric 56,0
[D]Adapter/Shank/Bore Dia mm 16,0

B272Z_HPG/HPS/SGL • 20 x D

Filter By:
Product # ISO Catalog Number ANSI Catalog Number Grade [D1] Drill Diameter Min Metric [D1] Drill Diameter Min Inch [D1] Drill Diameter Min Frac Wire_Size_F [L] Overall Length Metric [L3] Flute Length Metric [L4] Max. Drill Depth Metric [L5] Drill Point Length Metric [LS] Shank Length Metric [D]Adapter/Shank/Bore Dia mm
3867771 B272Z03000HPS B272Z03000HPS KN25 3 .1181 101 67 60 0,554 30,0 3,0
3867772 B272Z03175HPS B272Z03175HPS KN25 3,175 .1250 1/8 125 83 74 0,586 32,0 4,0
3867803 B272Z03300HPS B272Z03300HPS KN25 3,300 .1299 125 84 75 0,609 32,0 4,0
3867804 B272Z03500HPS B272Z03500HPS KN25 3,500 .1378 125 86 77 0,646 32,0 4,0
3867805 B272Z03970HPS B272Z03970HPS KN25 3,970 .1563 5/32 125 89 79 0,733 32,0 4,0
3867806 B272Z04000HPS B272Z04000HPS KN25 4 .1575 125 90 80 0,738 32,0 4,0
3867807 B272Z04500HPS B272Z04500HPS KN25 4,500 .1772 149 108 97 0,831 34,0 5,0
3867808 B272Z04763HPS B272Z04763HPS KN25 4,763 .1875 3/16 149 110 99 0,879 34,0 5,0
3867809 B272Z05000HPS B272Z05000HPS KN25 5 .1969 149 112 100 0,923 34,0 5,0
3867810 B272Z05500HPS B272Z05500HPS KN25 5,500 .2165 173 130 117 1,015 36,0 6,0
3867811 B272Z06000HPS B272Z06000HPS KN25 6 .2362 173 134 120 1,108 36,0 6,0
3867812 B272Z06200HPS B272Z06200HPS KN25 6,200 .2441 197 149 134 1,144 38,0 7,0
3867813 B272Z06350HPS B272Z06350HPS KN25 6,350 .2500 1/4 E 197 151 136 1,172 38,0 7,0
3867814 B272Z06500HPS B272Z06500HPS KN25 6,500 .2559 197 152 137 1,200 38,0 7,0
3867815 B272Z06746HPS B272Z06746HPS KN25 6,746 .2656 17/64 197 154 138 1,245 38,0 7,0
3867816 B272Z07000HPS B272Z07000HPS KN25 7 .2756 197 156 140 1,292 38,0 7,0
3867817 B272Z07145HPS B272Z07145HPS KN25 7,145 .2813 9/32 221 171 154 1,319 40,0 8,0
3867818 B272Z07500HPS B272Z07500HPS KN25 7,500 .2953 221 174 157 1,384 40,0 8,0
3867819 B272Z08000HPS B272Z08000HPS KN25 8 .3150 221 178 160 1,477 40,0 8,0
3867820 B272Z08500HPS B272Z08500HPS KN25 8,500 .3346 245 196 177 1,569 42,0 9,0
3867821 B272Z08733HPS B272Z08733HPS KN25 8,733 .3438 11/32 245 198 178 1,612 42,0 9,0
3867822 B272Z09000HPS B272Z09000HPS KN25 9 .3543 245 200 180 1,661 42,0 9,0
3867823 B272Z09525HPS B272Z09525HPS KN25 9,525 .3750 3/8 269 218 197 1,758 44,0 10,0
3867824 B272Z09750HPS B272Z09750HPS KN25 9,750 .3839 269 220 198 1,800 44,0 10,0
3867825 B272Z10000HPS B272Z10000HPS KN25 10 .3937 269 222 200 1,846 44,0 10,0
3877688 B272Z11000HPS B272Z11000HPS KN25 11 .4331 293 244 220 2,030 46,0 11,0
3891349 B272Z16000HPS B272Z16000HPS KN25 16 .6299 413 354 320 2,953 56,0 16,0
3891690 B272Z10200HPS B272Z10200HPS KN25 10,20 .4016 293 237 214 1,883 46,0 11,0
3891691 B272Z10500HPS B272Z10500HPS KN25 10,50 .4134 293 240 217 1,938 46,0 11,0
3891692 B272Z10720HPS B272Z10720HPS KN25 10,72 .4220 293 242 219 1,979 46,0 11,0
3891693 B272Z11500HPS B272Z11500HPS KN25 11,50 .4528 317 262 237 2,123 48,0 12,0
3891695 B272Z12000HPS B272Z12000HPS KN25 12 .4724 317 266 240 2,215 48,0 12,0
3891696 B272Z12500HPS B272Z12500HPS KN25 12,50 .4921 341 284 257 2,307 50,0 13,0
3891697 B272Z12700HPS B272Z12700HPS KN25 12,70 .5000 1/2 341 285 258 2,344 50,0 13,0
3891698 B272Z13000HPS B272Z13000HPS KN25 13 .5118 341 288 260 2,400 50,0 13,0
3891741 B272Z13500HPS B272Z13500HPS KN25 13,50 .5315 365 306 277 2,492 52,0 14,0
3891742 B272Z14000HPS B272Z14000HPS KN25 14 .5512 365 310 280 2,584 52,0 14,0
3891744 B272Z14500HPS B272Z14500HPS KN25 14,50 .5709 389 328 297 2,676 54,0 15,0
3891745 B272Z15000HPS B272Z15000HPS KN25 15 .5906 389 332 300 2,769 54,0 15,0
4028886 B272Z02383KMS B272Z02383KMS KN25 2,383 .0938 3/32 101 63 56 0,475 30,0 3,0
4028887 B272Z02400KMS B272Z02400KMS KN25 2,400 .0945 101 63 56 0,479 30,0 3,0
4028888 B272Z02439KMS B272Z02439KMS KN25 2,439 .0960 41 101 63 56 0,487 30,0 3,0
4028890 B272Z02500KMS B272Z02500KMS KN25 2,500 .0984 101 63 56 0,500 30,0 3,0
4028896 B272Z02800KMS B272Z02800KMS KN25 2,800 .1102 101 66 59 0,564 30,0 3,0
5400814 B272Z06400HPS B272Z06400HPS KN25 6,400 .2520 197 151 136 1,181 38,0 7,0
5506156 B272Z02383KMG B272Z02383KMG KCPK20 2,383 .0938 3/32 101 63 56 0,475 30,0 3,0
5506157 B272Z02400KMG B272Z02400KMG KCPK20 2,400 .0945 101 63 56 0,479 30,0 3,0
5506158 B272Z02489KMG B272Z02489KMG KCPK20 2,489 .0980 40 101 63 56 0,498 30,0 3,0
5506159 B272Z02500KMG B272Z02500KMG KCPK20 2,500 .0984 101 63 56 0,500 30,0 3,0
5506303 B272Z02779KMG B272Z02779KMG KCPK20 2,779 .1094 7/64 101 66 59 0,559 30,0 3,0
5506305 B272Z03000HPG B272Z03000HPG KCPK20 3 .1181 101 67 60 0,554 30,0 3,0
5506306 B272Z03175HPG B272Z03175HPG KCPK20 3,175 .1250 1/8 125 83 74 0,586 32,0 4,0
5506307 B272Z03300HPG B272Z03300HPG KCPK20 3,300 .1299 125 84 75 0,609 32,0 4,0
5506308 B272Z03500HPG B272Z03500HPG KCPK20 3,500 .1378 125 86 77 0,646 32,0 4,0
5506309 B272Z03850HPG B272Z03850HPG KCPK20 3,850 .1516 125 88 79 0,711 32,0 4,0
5506310 B272Z03970HPG B272Z03970HPG KCPK20 3,970 .1563 5/32 125 89 79 0,733 32,0 4,0
5506311 B272Z04000HPG B272Z04000HPG KCPK20 4 .1575 125 90 80 0,738 32,0 4,0
5506312 B272Z04500HPG B272Z04500HPG KCPK20 4,500 .1772 149 108 97 0,831 34,0 5,0
5506313 B272Z04623HPG B272Z04623HPG KCPK20 4,623 .1820 14 149 109 98 0,853 34,0 5,0
5506314 B272Z04763HPG B272Z04763HPG KCPK20 4,763 .1875 3/16 149 110 99 0,879 34,0 5,0
5506315 B272Z05000HPG B272Z05000HPG KCPK20 5 .1969 149 112 100 0,920 34,0 5,0
5506316 B272Z05200HPG B272Z05200HPG KCPK20 5,200 .2047 173 127 114 0,960 36,0 6,0
5506318 B272Z05260HPG B272Z05260HPG KCPK20 5,260 .2071 173 128 115 0,971 36,0 6,0
5506320 B272Z05410HPG B272Z05410HPG KCPK20 5,410 .2130 3 173 129 116 0,999 36,0 6,0
5506322 B272Z05500HPG B272Z05500HPG KCPK20 5,500 .2165 173 130 117 1,015 36,0 6,0
5506324 B272Z05558HPG B272Z05558HPG KCPK20 5,558 .2188 7/32 173 130 117 1,026 36,0 6,0
5506326 B272Z05800HPG B272Z05800HPG KCPK20 5,800 .2283 173 132 118 1,071 36,0 6,0
5506328 B272Z06000HPG B272Z06000HPG KCPK20 6 .2362 173 134 120 1,110 36,0 6,0
5506329 B272Z06200HPG B272Z06200HPG KCPK20 6,200 .2441 197 149 134 1,144 38,0 7,0
5506330 B272Z06350HPG B272Z06350HPG KCPK20 6,350 .2500 1/4 E 197 151 136 1,172 38,0 7,0
5506331 B272Z06500HPG B272Z06500HPG KCPK20 6,500 .2559 197 152 137 1,200 38,0 7,0
5506332 B272Z06528HPG B272Z06528HPG KCPK20 6,528 .2570 F 197 152 137 1,205 38,0 7,0
5506333 B272Z06746HPG B272Z06746HPG KCPK20 6,746 .2656 17/64 197 154 138 1,245 38,0 7,0
5506334 B272Z06800HPG B272Z06800HPG KCPK20 6,800 .2677 197 154 138 1,255 38,0 7,0
5506335 B272Z06909HPG B272Z06909HPG KCPK20 6,909 .2720 I 197 155 139 1,275 38,0 7,0
5506336 B272Z07000HPG B272Z07000HPG KCPK20 7 .2756 197 156 140 1,292 38,0 7,0
5506337 B272Z07145HPG B272Z07145HPG KCPK20 7,145 .2813 9/32 221 171 154 1,319 40,0 8,0
5506338 B272Z07200HPG B272Z07200HPG KCPK20 7,200 .2835 221 171 154 1,329 40,0 8,0
5506339 B272Z07500HPG B272Z07500HPG KCPK20 7,500 .2953 221 174 157 1,384 40,0 8,0
5506340 B272Z07541HPG B272Z07541HPG KCPK20 7,541 .2969 19/64 221 174 157 1,392 40,0 8,0
5506341 B272Z07938HPG B272Z07938HPG KCPK20 7,938 .3125 5/16 221 177 159 1,465 40,0 8,0
5506342 B272Z08000HPG B272Z08000HPG KCPK20 8 .3150 221 178 160 1,477 40,0 8,0
5506343 B272Z08334HPG B272Z08334HPG KCPK20 8,334 .3281 21/64 245 194 175 1,538 42,0 9,0
5506344 B272Z08433HPG B272Z08433HPG KCPK20 8,433 .3320 Q 245 195 176 1,557 42,0 9,0
5506345 B272Z08500HPG B272Z08500HPG KCPK20 8,500 .3346 245 196 177 1,570 42,0 9,0
5506346 B272Z08733HPG B272Z08733HPG KCPK20 8,733 .3438 11/32 245 198 178 1,612 42,0 9,0
5506347 B272Z09000HPG B272Z09000HPG KCPK20 9 .3543 245 200 180 1,661 42,0 9,0
5506348 B272Z09100HPG B272Z09100HPG KCPK20 9,100 .3583 269 215 194 1,680 44,0 10,0
5506349 B272Z09500HPG B272Z09500HPG KCPK20 9,500 .3740 269 218 197 1,754 44,0 10,0
5506350 B272Z09525HPG B272Z09525HPG KCPK20 9,525 .3750 3/8 269 218 197 1,758 44,0 10,0
5506351 B272Z09750HPG B272Z09750HPG KCPK20 9,750 .3839 269 220 198 1,800 44,0 10,0
5506352 B272Z10000HPG B272Z10000HPG KCPK20 10 .3937 269 222 200 1,846 44,0 10,0
5506353 B272Z10200HPG B272Z10200HPG KCPK20 10,20 .4016 293 237 214 1,883 46,0 11,0
5506354 B272Z10500HPG B272Z10500HPG KCPK20 10,50 .4134 293 240 217 1,940 46,0 11,0
5506355 B272Z10716HPG B272Z10716HPG KCPK20 10,71 .4219 27/64 293 242 219 1,978 46,0 11,0
5506356 B272Z11000HPG B272Z11000HPG KCPK20 11 .4331 293 244 220 2,030 46,0 11,0
5506357 B272Z11500HPG B272Z11500HPG KCPK20 11,50 .4528 317 262 237 2,123 48,0 12,0
5506358 B272Z11800HPG B272Z11800HPG KCPK20 11,80 .4646 317 264 238 2,178 48,0 12,0
5506359 B272Z12000HPG B272Z12000HPG KCPK20 12 .4724 317 266 240 2,215 48,0 12,0
5506360 B272Z12500HPG B272Z12500HPG KCPK20 12,50 .4921 341 284 257 2,307 50,0 13,0
5506361 B272Z12700HPG B272Z12700HPG KCPK20 12,70 .5000 1/2 341 285 258 2,344 50,0 13,0
5506362 B272Z13000HPG B272Z13000HPG KCPK20 13 .5118 341 288 260 2,400 50,0 13,0
5506363 B272Z13100HPG B272Z13100HPG KCPK20 13,10 .5157 365 302 273 2,418 52,0 14,0
5506364 B272Z13500HPG B272Z13500HPG KCPK20 13,50 .5315 365 306 277 2,492 52,0 14,0
5506365 B272Z14000HPG B272Z14000HPG KCPK20 14 .5512 365 310 280 2,584 52,0 14,0
5506367 B272Z14500HPG B272Z14500HPG KCPK20 14,50 .5709 389 328 297 2,676 54,0 15,0
5506368 B272Z15000HPG B272Z15000HPG KCPK20 15 .5906 389 332 300 2,769 54,0 15,0
5506369 B272Z15500HPG B272Z15500HPG KCPK20 15,50 .6102 413 350 317 2,861 56,0 16,0
5506371 B272Z16000HPG B272Z16000HPG KCPK20 16 .6299 413 354 320 2,953 56,0 16,0
6351278 B272Z02500SGL B272Z02500SGL KCMS20 2,500 .0984 101 63 56 0,420 30,0 3,0
6351281 B272Z03000SGL B272Z03000SGL KCMS20 3 .1181 101 67 60 0,510 30,0 3,0
6351284 B272Z03175SGL B272Z03175SGL KCMS20 3,175 .1250 1/8 125 83 74 0,540 32,0 4,0
6351287 B272Z03500SGL B272Z03500SGL KCMS20 3,500 .1378 125 86 77 0,590 32,0 4,0
6351290 B272Z03970SGL B272Z03970SGL KCMS20 3,970 .1563 5/32 125 89 79 0,670 32,0 4,0
6351303 B272Z04000SGL B272Z04000SGL KCMS20 4 .1575 125 90 80 0,680 32,0 4,0
6351306 B272Z04500SGL B272Z04500SGL KCMS20 4,500 .1772 149 108 97 0,760 34,0 5,0
6351309 B272Z04763SGL B272Z04763SGL KCMS20 4,763 .1875 3/16 149 110 99 0,809 34,0 5,0
6351312 B272Z04800SGL B272Z04800SGL KCMS20 4,800 .1890 149 110 99 0,820 34,0 5,0
6351315 B272Z05000SGL B272Z05000SGL KCMS20 5 .1969 149 112 100 0,850 34,0 5,0
6351318 B272Z05500SGL B272Z05500SGL KCMS20 5,500 .2165 173 130 117 0,930 36,0 6,0
6351321 B272Z05558SGL B272Z05558SGL KCMS20 5,558 .2188 173 130 117 0,940 36,0 6,0
6351324 B272Z05800SGL B272Z05800SGL KCMS20 5,800 .2283 173 132 118 0,980 36,0 6,0
6351327 B272Z06000SGL B272Z06000SGL KCMS20 6 .2362 173 134 120 1,020 36,0 6,0
6351330 B272Z06350SGL B272Z06350SGL KCMS20 6,350 .2500 1/4 E 197 151 136 1,080 38,0 7,0
6351333 B272Z06500SGL B272Z06500SGL KCMS20 6,500 .2559 197 152 137 1,100 38,0 7,0
6351337 B272Z06746SGL B272Z06746SGL KCMS20 6,746 .2656 17/64 197 154 138 1,146 38,0 7,0
6351340 B272Z07000SGL B272Z07000SGL KCMS20 7 .2756 197 156 140 1,190 38,0 7,0
6351343 B272Z07145SGL B272Z07145SGL KCMS20 7,145 .2813 9/32 221 171 154 1,210 40,0 8,0
6351346 B272Z07500SGL B272Z07500SGL KCMS20 7,500 .2953 221 174 157 1,270 40,0 8,0
6351349 B272Z07938SGL B272Z07938SGL KCMS20 7,937 .3125 5/16 221 177 159 1,350 40,0 8,0
6351351 B272Z08000SGL B272Z08000SGL KCMS20 8 .3150 221 178 160 1,360 40,0 8,0
6351354 B272Z08500SGL B272Z08500SGL KCMS20 8,500 .3346 245 196 177 1,440 42,0 9,0
6351357 B272Z08733SGL B272Z08733SGL KCMS20 8,733 .3438 245 198 178 1,480 42,0 9,0
6351360 B272Z09000SGL B272Z09000SGL KCMS20 9 .3543 245 200 180 1,530 42,0 9,0
6351363 B272Z09525SGL B272Z09525SGL KCMS20 9,525 .3750 3/8 269 218 197 1,620 44,0 10,0
6351366 B272Z10000SGL B272Z10000SGL KCMS20 10 .3937 269 222 200 1,700 44,0 10,0
6351369 B272Z10320SGL B272Z10320SGL KCMS20 10,32 .4063 13/32 293 238 215 1,750 46,0 11,0
6351372 B272Z10500SGL B272Z10500SGL KCMS20 10,50 .4134 293 240 217 1,780 46,0 11,0
6351376 B272Z10716SGL B272Z10716SGL KCMS20 10,71 .4219 293 242 219 1,820 46,0 11,0
6351378 B272Z11000SGL B272Z11000SGL KCMS20 11 .4331 293 244 220 1,870 46,0 11,0
6351381 B272Z11113SGL B272Z11113SGL KCMS20 11,11 .4375 7/16 317 259 234 1,890 48,0 12,0
6351385 B272Z11500SGL B272Z11500SGL KCMS20 11,50 .4528 317 262 237 1,950 48,0 12,0
6351388 B272Z12000SGL B272Z12000SGL KCMS20 12 .4724 317 266 240 2,040 48,0 12,0
6351391 B272Z12500SGL B272Z12500SGL KCMS20 12,50 .4921 341 284 257 2,120 50,0 13,0
6351394 B272Z12700SGL B272Z12700SGL KCMS20 12,70 .5000 1/2 341 285 258 2,160 50,0 13,0
6351397 B272Z13000SGL B272Z13000SGL KCMS20 13 .5118 341 288 260 2,210 50,0 13,0
6351399 B272Z14000SGL B272Z14000SGL KCMS20 14 .5512 365 310 280 2,380 52,0 14,0
6351412 B272Z14500SGL B272Z14500SGL KCMS20 14,50 .5709 389 328 297 2,460 54,0 15,0
6351415 B272Z15000SGL B272Z15000SGL KCMS20 15 .5906 389 332 300 2,550 54,0 15,0
6351418 B272Z15500SGL B272Z15500SGL KCMS20 15,50 .6102 413 350 317 2,630 56,0 16,0
6351431 B272Z16000SGL B272Z16000SGL KCMS20 16 .6299 413 354 320 2,720 56,0 16,0

Product Usage

P
M
K
N
H
S
C
KCMS20 KCPK20 KN25

Uses and application

  • Bohren
  • Zylinderschaft – ohne Spannfläche ≤h6
  • Spiralwinkel: 30°
  • DIN 6535
  • Drilling - Through Coolant
  • Innere Kühlmittelzuführung: MQL (Minimalmengenschmierung): Bohren
  • Werkzeugabmessungen: 2 Schneidreihen/4 Führungsfasen/innere Kühlmittelzuführung
  • Bohren: Schräge Austrittsfläche
  • Drilling: Cross-Hole Drilling
  • Drilling: Stacked Plates

Grades

  • KCMS20

    Zusammensetzung: Ultrafeinkörniges Hartmetallsubstrat mit PVD-AlTiN-Einfachbeschichtung mit herausragender Oberflächengüte.

    Anwendung: Erste Wahl für Tieflochbohren in nicht rostenden Stählen und hochtemperaturbeständigen Werkstoffen. Durch ihre weiterentwickelten Eigenschaften für hohe Temperaturen eignet sich diese Sorte auch für die Bearbeitung von Stahl mit Minimalmengenschmierung.

  • KCPK20

    Zusammensetzung: Ultrafeinkörniges Hartmetallsubstrat mit PVD-Mehrlagenbeschichtung auf AlCrN-Basis mit herausragender Oberflächengüte.

    Anwendung: Erste Wahl für Tieflochbohren in Stahl und Gusseisen. Mit der von Kennametal entwickelten Beschichtung und der überlegenen Oberflächenbeschaffenheit bietet diese Sorte eine herausragende Verschleißfestigkeit sowie eine exzellente Spanabführung.

  • KN25

    Zusammensetzung: Unbeschichtetes, hoch verschleißfestes ultrafeinkörniges Hartmetallsubstrat.

    Anwendung: Hochpolierte Spannutoberflächen sorgen für eine herausragende Spanabführung und verringern zudem die Aufbauschneidenbildung. Erste Wahl für Tieflochboren in NE-Metallen.

Inserts and Holder Bodies for B272Z_HP (20 x D) • KCPK20/KN25 • Z-Schaft • HP-Tieflochbohrer

B269 (~12xD) • KCPK15 • A-Schaft • HP Beyond-Bohrer für große Bohrungstiefen
B271Z_HP (15 x D) • KCPK20/KN25 • Z-Schaft • HP-Tieflochbohrer
B273Z_HP (25 x D) • KCPK20/KN25 • Z-Schaft • HP-Tieflochbohrer
B274Z_HP (30 x D) • KCPK20/KN25 • Z-Schaft • HP-Tieflochbohrer
B275Z_ (40 x D) • KCPK20/KN25/KCMS20 • Z-Shank • Deep-Hole Drills