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Brocas modulares

KSEM™ 2° Whistle Notch Shank Bodies

Features and benefits


  • Annealed steel bodies for reliable drilling in regular and extended drilling depths with unmatched tool life, even in demanding conditions.

  • Very rigid pocket seat: KSEM™ offers a four-wall pocket providing insert stability, hole quality, and increased tool life.

  • Through coolant close to the cutting edge for improved tool life, hole finish, and chip removal.

  • Insert blades must be of the same seat size as the body it should be used on. For each seat size, there is a preferred choice (=BEST FIT) of bodies for a particular insert diameter. Overhang of the insert to the body shall not exceed 0.0098” (0,25mm) per side. Higher overhang is possible, but will compromise performance, rigidity, and efficient chip evacuation. We recommend to always use the closest fit possible, especially when machining long chipping materials.
Product specifications
Product # 1279857
ISO Catalog Number KSEM170R7WN20M
ANSI Catalog Number KSEM170R7WN20M
First Choice EMEA Y
First Choice AP Y
[D1] Drill Diameter Min Metric 17
[D1] Drill Diameter Min Inch .6693
[D1MAX] Drill Dia Max Metric 17,50
[D1MAX] Drill Dia Max Inch .6890
[L4/D1] Length/Diameter Ratio 7
[L] Overall Length Metric 202
[L3] Flute Length Metric 147
[L4] Max. Drill Depth Metric 126
[L5] Drill Point Length Metric 2,778
[LS] Shank Length Metric 50,0
[D]Adapter/Shank/Bore Dia mm 20,0
[SSC]Insert/Blade Seat Size 1
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Mango KSEM WN • 7 x D/10 x D • Sistema métrico

Filter By:
Product # ISO Catalog Number ANSI Catalog Number Grade First Choice NA First Choice EMEA First Choice AP [D1] Drill Diameter Min Metric [D1] Drill Diameter Min Inch [D1MAX] Drill Dia Max Metric [D1MAX] Drill Dia Max Inch [L4/D1] Length/Diameter Ratio [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 [SSC]Insert/Blade Seat Size
1279856 KSEM165R7WN20M KSEM165R7WN20M N N N 16,50 .6496 17 .6693 7 202 147 126 2,698 50,0 20,0 1
1279857 KSEM170R7WN20M KSEM170R7WN20M N Y Y 17 .6693 17,50 .6890 7 202 147 126 2,778 50,0 20,0 1
1279858 KSEM175R7WN20M KSEM175R7WN20M N Y Y 17,50 .6890 18 .7086 7 202 147 126 2,857 50,0 20,0 1
1279859 KSEM180R7WN20M KSEM180R7WN20M N Y Y 18 .7087 18 .7086 7 202 147 126 2,857 50,0 20,0 1
1279863 KSEM185R7WN25M KSEM185R7WN25M N N N 18,50 .7283 19 .7480 7 224 163 140 3,016 56,0 25,0 2
1279864 KSEM190R7WN25M KSEM190R7WN25M Y Y Y 19 .7480 19,50 .7677 7 224 163 140 3,095 56,0 25,0 2
1279866 KSEM195R7WN25M KSEM195R7WN25M Y N N 19,50 .7677 19,99 .7873 7 224 163 140 3,149 56,0 25,0 2
1279867 KSEM200R7WN25M KSEM200R7WN25M N Y Y 20 .7874 20,50 .8071 7 241 179 140 3,254 56,0 25,0 3
1279868 KSEM205R7WN25M KSEM205R7WN25M Y N N 20,50 .8071 21 .8268 7 241 180 154 3,333 56,0 25,0 3
1279872 KSEM210R7WN25M KSEM210R7WN25M N Y Y 21 .8268 21,50 .8465 7 241 180 154 3,413 56,0 25,0 3
1279873 KSEM215R7WN25M KSEM215R7WN25M N N N 21,50 .8465 22 .8661 7 241 180 154 3,492 56,0 25,0 3
1279874 KSEM220R7WN25M KSEM220R7WN25M Y Y Y 22 .8661 22 .8661 7 241 180 154 3,492 56,0 25,0 3
1279878 KSEM225R7WN25M KSEM225R7WN25M N N N 22,50 .8858 23 .9055 7 257 196 168 3,651 56,0 25,0 4
1279881 KSEM230R7WN25M KSEM230R7WN25M N N N 23 .9055 23,50 .9252 7 257 196 168 3,730 56,0 25,0 4
1279882 KSEM235R7WN25M KSEM235R7WN25M N N Y 23,50 .9252 24 .9448 7 257 196 168 3,810 56,0 25,0 4
1279889 KSEM245R7WN32M KSEM245R7WN32M N N Y 24,50 .9646 25 .9843 7 278 213 182 3,846 60,0 32,0 5
1279891 KSEM250R7WN32M KSEM250R7WN32M N N Y 25 .9843 25,50 1.003 7 278 213 182 3,923 60,0 32,0 5
1279892 KSEM255R7WN32M KSEM255R7WN32M Y N N 25,50 1.003 26 1.023 7 278 213 182 4 60,0 32,0 5
1279893 KSEM260R7WN32M KSEM260R7WN32M N N Y 26 1.023 26 1.023 7 278 213 182 4 60,0 32,0 5
1279894 KSEM265R7WN32M KSEM265R7WN32M N N Y 26,50 1.043 27 1.063 7 294 229 196 4,154 60,0 32,0 6
1279895 KSEM270R7WN32M KSEM270R7WN32M N N N 27 1.063 27,50 1.082 7 294 229 196 4,231 60,0 32,0 6
1279896 KSEM275R7WN32M KSEM275R7WN32M N N N 27,50 1.082 28 1.102 7 294 229 196 4,308 60,0 32,0 6
1279898 KSEM280R7WN32M KSEM280R7WN32M N N N 28 1.102 28 1.102 7 294 229 196 4,308 60,0 32,0 6
1279903 KSEM285R7WN32M KSEM285R7WN32M N N Y 28,50 1.122 29 1.141 7 310 245 210 4,462 60,0 32,0 7
1279905 KSEM290R7WN32M KSEM290R7WN32M N N N 29 1.141 29,50 1.161 7 310 245 210 4,538 60,0 32,0 7
1279906 KSEM295R7WN32M KSEM295R7WN32M N N Y 29,50 1.161 30 1.181 7 310 245 210 4,615 60,0 32,0 7
1279908 KSEM300R7WN32M KSEM300R7WN32M N N N 30 1.181 30 1.181 7 310 245 210 4,615 60,0 32,0 7
1279911 KSEM305R7WN32M KSEM305R7WN32M N N N 30,50 1.200 31 1.220 7 328 263 224 4,769 60,0 32,0 8
1279913 KSEM310R7WN32M KSEM310R7WN32M N N N 31 1.220 31,50 1.240 7 328 263 224 4,846 60,0 32,0 8
1279914 KSEM315R7WN32M KSEM315R7WN32M N N N 31,50 1.240 32 1.259 7 328 263 224 4,923 60,0 32,0 8
1279915 KSEM320R7WN32M KSEM320R7WN32M N N Y 32 1.259 32 1.259 7 328 263 224 4,923 60,0 32,0 8
1282677 KSEM240R7WN25M KSEM240R7WN25M N N Y 24 .9449 24 .9448 7 257 196 168 3,810 56,0 25,0 4
1311193 KSEM160R7WN20M KSEM160R7WN20M Y Y Y 16 .6299 16,50 .6496 7 186 131 112 2,619 50,0 20,0 1
1551609 KSEM160R10WN20M KSEM160R10WN20M N Y Y 16 .6299 16,50 .6496 10 234 179 160 2,619 50,0 20,0 1
1551610 KSEM165R10WN20M KSEM165R10WN20M N N N 16,50 .6496 17 .6693 10 241 186 165 2,698 50,0 20,0 1
1551831 KSEM170R10WN20M KSEM170R10WN20M Y N N 17 .6693 17,50 .6890 10 246 191 170 2,778 50,0 20,0 1
1551833 KSEM175R10WN20M KSEM175R10WN20M N Y Y 17,50 .6890 18 .7086 10 251 196 175 2,857 50,0 20,0 1
1551834 KSEM180R10WN20M KSEM180R10WN20M N Y Y 18 .7087 18 .7086 10 256 201 180 2,857 50,0 20,0 1
1551835 KSEM185R10WN25M KSEM185R10WN25M N N Y 18,50 .7283 19 .7480 10 269 208 185 3,016 56,0 25,0 2
1551836 KSEM190R10WN25M KSEM190R10WN25M Y Y Y 19 .7480 19,50 .7677 10 274 213 190 3,095 56,0 25,0 2
1551837 KSEM195R10WN25M KSEM195R10WN25M N N N 19,50 .7677 19,99 .7873 10 279 218 195 3,149 56,0 25,0 2
1551838 KSEM200R10WN25M KSEM200R10WN25M N Y Y 20 .7874 20,50 .8071 10 297 236 200 3,254 56,0 25,0 3
1551839 KSEM210R10WN25M KSEM210R10WN25M N N Y 21 .8268 21,50 .8465 10 297 236 210 3,413 56,0 25,0 3
1551840 KSEM220R10WN25M KSEM220R10WN25M N Y Y 22 .8661 22 .8661 10 307 246 220 3,492 56,0 25,0 3
1551841 KSEM230R10WN25M KSEM230R10WN25M N N N 23 .9055 23,50 .9252 10 319 258 230 3,730 56,0 25,0 4
1551842 KSEM240R10WN25M KSEM240R10WN25M N N N 24 .9449 24 .9448 10 329 268 240 3,810 56,0 25,0 4
1551843 KSEM250R10WN32M KSEM250R10WN32M N N N 25 .9843 25,50 1.003 10 346 281 250 3,923 60,0 32,0 5
1551844 KSEM260R10WN32M KSEM260R10WN32M N N N 26 1.023 26 1.023 10 356 291 260 4 60,0 32,0 5
1551845 KSEM265R10WN32M KSEM265R10WN32M N N N 26,50 1.043 27 1.063 10 363 298 265 4,154 60,0 32,0 6
1551846 KSEM270R10WN32M KSEM270R10WN32M N N N 27 1.063 27,50 1.082 10 368 303 270 4,231 60,0 32,0 6
1551847 KSEM280R10WN32M KSEM280R10WN32M N N N 28 1.102 28 1.102 10 378 313 280 4,308 60,0 32,0 6
1551848 KSEM290R10WN32M KSEM290R10WN32M N N N 29 1.141 29,50 1.161 10 390 325 290 4,538 60,0 32,0 7
1551849 KSEM300R10WN32M KSEM300R10WN32M N N N 30 1.181 30 1.181 10 400 335 300 4,615 60,0 32,0 7
1551850 KSEM310R10WN32M KSEM310R10WN32M N N N 31 1.220 31,50 1.240 10 414 349 310 4,846 60,0 32,0 8
1551861 KSEM320R10WN32M KSEM320R10WN32M N N N 30,00 1.181 32 1.259 10 424 360 320 4,923 61,0 32,0 8
1599327 KSEM225R10WN25M KSEM225R10WN25M N N N 22,50 .8858 23 .9055 10 319 258 225 3,651 56,0 25,0 4
1611360 KSEM181R10WN25M KSEM181R10WN25M N N N 18,01 .7091 18,50 .7283 10 269 208 185 2,937 56,0 25,0 2
1611434 KSEM205R10WN25M KSEM205R10WN25M N N N 20,50 .8071 21 .8268 10 297 236 205 3,333 56,0 25,0 3
1611435 KSEM215R10WN25M KSEM215R10WN25M N N N 21,50 .8465 22 .8661 10 307 246 215 3,492 56,0 25,0 3
1611436 KSEM221R10WN25M KSEM221R10WN25M N N N 22,01 .8665 22,50 .8858 10 319 258 225 3,571 56,0 25,0 4
1611437 KSEM235R10WN25M KSEM235R10WN25M N N N 23,50 .9252 24 .9448 10 329 268 235 3,810 56,0 25,0 4
1611438 KSEM241R10WN32M KSEM241R10WN32M N N N 24,01 .9453 24,50 .9646 10 346 281 245 3,889 60,0 32,0 5
1611439 KSEM245R10WN32M KSEM245R10WN32M N N N 24,50 .9646 25 .9843 10 346 281 245 3,846 60,0 32,0 5
1611440 KSEM255R10WN32M KSEM255R10WN32M N N N 25,50 1.003 26 1.023 10 356 291 255 4 60,0 32,0 5
1611441 KSEM261R10WN32M KSEM261R10WN32M N N N 26,01 1.024 26,50 1.043 10 363 298 265 4,077 60,0 32,0 6
1611442 KSEM275R10WN32M KSEM275R10WN32M N N N 27,50 1.082 28 1.102 10 378 313 275 4,308 60,0 32,0 6
1611443 KSEM281R10WN32M KSEM281R10WN32M N N N 28,01 1.103 28,50 1.122 10 390 325 285 4,385 60,0 32,0 7
1611444 KSEM285R10WN32M KSEM285R10WN32M N N N 28,50 1.122 29 1.141 10 390 325 285 4,462 60,0 32,0 7
1611445 KSEM295R10WN32M KSEM295R10WN32M N N N 29,50 1.161 30 1.181 10 400 335 295 4,615 60,0 32,0 7
1611446 KSEM301R10WN32M KSEM301R10WN32M N N N 30,01 1.181 30,50 1.200 10 414 349 305 4,692 60,0 32,0 8
1797157 KSEM125R7WN16M KSEM125R7WN16M N N N 12,50 .4921 13 .5118 7 167 115 98 2,063 48,0 16,0 C
1797158 KSEM130R7WN16M KSEM130R7WN16M N N Y 13 .5118 13,50 .5314 7 167 115 98 2,143 48,0 16,0 C
1797159 KSEM135R7WN16M KSEM135R7WN16M N N Y 13,50 .5315 13,50 .5314 7 167 115 98 2,143 48,0 16,0 C
1797160 KSEM136R7WN16M KSEM136R7WN16M N N N 13,51 .5319 14 .5512 7 167 115 98 2,238 48,0 16,0 B
1797161 KSEM140R7WN16M KSEM140R7WN16M Y Y Y 14 .5512 14,50 .5700 7 167 115 95,50 2,302 48,0 16,0 B
1797162 KSEM145R7WN20M KSEM145R7WN20M N N N 14,50 .5709 14,50 .5708 7 186 132 112 2,302 50,0 20,0 B
1797203 KSEM146R7WN20M KSEM146R7WN20M N N N 14,51 .5713 15 .5906 7 186 132 112 2,394 50,0 20,0 A
1797204 KSEM150R7WN20M KSEM150R7WN20M N Y Y 15 .5906 15,50 .6102 7 186 132 112 2,460 50,0 20,0 A
1797205 KSEM155R7WN20M KSEM155R7WN20M N N Y 15,50 .6102 15,87 .6249 7 186 132 112 2,508 50,0 20,0 A
1797206 KSEM125R10WN16M KSEM125R10WN16M Y N N 12,50 .4921 13 .5118 10 195 143 125 2,063 48,0 16,0 C
1797207 KSEM130R10WN16M KSEM130R10WN16M N N N 13 .5118 13,50 .5314 10 200 148 130 2,143 48,0 16,0 C
1797208 KSEM135R10WN16M KSEM135R10WN16M N N N 13,50 .5315 13,50 .5314 10 205 153 135 2,143 48,0 16,0 C
1797209 KSEM136R10WN16M KSEM136R10WN16M N N Y 13,51 .5319 14 .5512 10 205 153 135 2,238 48,0 16,0 B
1797210 KSEM140R10WN16M KSEM140R10WN16M Y Y Y 14 .5512 14,50 .5700 10 210 158 137,5 2,302 48,0 16,0 B
1797211 KSEM145R10WN20M KSEM145R10WN20M N N N 14,50 .5709 14,50 .5708 10 220 166 145 2,302 50,0 20,0 B
1797212 KSEM146R10WN20M KSEM146R10WN20M N N N 14,51 .5713 15 .5906 10 220 166 145 2,394 50,0 20,0 A
1797233 KSEM150R10WN20M KSEM150R10WN20M N N N 15 .5906 15,50 .6102 10 225 171 150 2,460 50,0 20,0 A
1797234 KSEM155R10WN20M KSEM155R10WN20M N N N 15,50 .6102 15,87 .6249 10 230 176 155 2,508 50,0 20,0 A

Product Usage

Uses and application

  • Mango — Whistle Notch 2° cilíndrico
  • Taladrado — Con refrigeración interna

Recambios for Cuerpos KSEM™ • 7 x D / 10 x D • Mango Whistle Notch

SCREW DRIVER FOR KSEM SW 1.5
SCREW DRIVER FOR KSEM SW 1.5