Twister® Drills - Series 206

Solid Carbide Twister® GP Drill
Shorter overhang reduces deflection and vibration and increases drill accuracy and improves tool life. Allows high feed rates with good chip flow. Four facet drill point minimizes drill wander and assures accurately sized holes. For Metric size stub drills, see Series 226.
  • 2 Flute
  • Solid carbide
  • 3X Stub length
  • Single margin
  • 118° Point angle
  • 21° Helix angle
  • Uncoated
  • Uncoated tools availalble coated upon request.  Contact Customer Service
* This is a non-stock and non-returnable item
Tool EDP Diameter Dtod1 Diameter Dec Shank Diameter D2 Oal L1 Flute Length L2 Available Price
20668750 26754 11/16 .6875 11/16 4 1-7/8
* 20657810A 75512 37/64 .5781 37/64 3-1/2 1-5/8
20639060 26595 25/64 .3906 25/64 2-3/4 1-1/4
20625700 26415 F .2570 .2570 2-1/2 1
20622800 26370 #1 .2280 .2280 2-1/2 1
* 20623440T 16864 15/64 .2344 15/64 2-1/2 1
* 20620310A 75467 13/64 .2031 13/64 2-1/4 3/4
20615400 26238 #23 .1540 .1540 2 5/8
* 20641300A 75501 Z .4130 .4130 2-3/4 1-1/4
20631600 26499 O .3160 .3160 2-1/2 1-1/4
20628120 26454 9/32 .2812 9/32 2-1/2 1
* 20616600C 75454 #19 .1660 .1660 2-1/8 3/4
20643750 26649 7/16 .4375 7/16 2-3/4 1-1/4
* 20642190A 75502 27/64 .4219 27/64 2-3/4 1-1/4
20631250 26493 5/16 .3125 5/16 2-1/2 1-1/4
* 20614950A 75447 #25 .1495 .1495 2 5/8
20629000 26463 L .2900 .2900 2-1/2 1
20646880 26679 15/32 .4688 15/32 3 1-1/4
* 20623800A 75473 B .2380 .2380 2-1/2 1
* 20650000A 75509 1/2 .5000 1/2 3 1-1/4
20629690 26475 19/64 .2969 19/64 2-1/2 1-1/4
* 20637500A 75496 3/8 .3750 3/8 2-1/2 1-1/4
* 20604300T 75402 #57 .0430 .0430 1-1/2 3/8
20637700 26577 V .3770 .3770 2-1/2 1-1/4
* 20614700T 75446 #26 .1470 .1470 2 5/8
20618900 26304 #12 .1890 .1890 2-3/16 3/4
20640400 26610 Y .4040 .4040 2-3/4 1-1/4
20606700 26073 #51 .0670 .0670 1-1/2 3/8
* 20608600C 77378 #44 .0860 .0860 2 1/2
20670310 26760 45/64 .7031 45/64 4 2
20645310 26664 29/64 .4531 29/64 3 1-1/4
* 20604200T 75401 #58 .0420 .0420 1-1/2 3/8
* 20610650A 15867 #36 .1065 .1065 2 5/8
* 20611100A 75437 #34 .1110 .1110 2 5/8
20628100 26451 K .2810 .2810 2-1/2 1
20660940 26727 39/64 .6094 39/64 3-1/2 1-3/4
* 20609950A 75430 #39 .0995 .0995 2 5/8
20610400 26148 #37 .1040 .1040 2 5/8
20607850 26094 #47 .0785 .0785 1-1/2 1/2
20605500 26046 #54 .0550 .0550 1-1/2 3/8
* 20646880A 75506 15/32 .4688 15/32 3 1-1/4
* 20639060A 75498 25/64 .3906 25/64 2-3/4 1-1/4
20607600 26088 #48 .0760 .0760 1-1/2 1/2
* 20651560T 75510 33/64 .5156 33/64 3-1/2 1-3/8
* 20611000T 77388 #35 .1100 .1100 2 5/8
* 20608200A 77376 #45 .0820 .0820 1-1/2 1/2
20642190 26634 27/64 .4219 27/64 2-3/4 1-1/4
20627700 26445 J .2770 .2770 2-1/2 1
* 20623440A 75472 15/64 .2344 15/64 2-1/2 1
* 20623400A 75471 A .2340 .2340 2-1/2 1
* 20609350A 77381 #42 .0935 .0935 2 1/2
* 20639060T 75499 25/64 .3906 25/64 2-3/4 1-1/4
* 20605200T 75406 #55 .0520 .0520 1-1/2 3/8
* 20615620T 20615 5/32 .1562 5/32 2 3/4
* 20620900T 75468 #4 .2090 .2090 2-1/4 3/4
20621870 26358 7/32 .2187 7/32 2-1/2 1
20615200 26232 #24 .1520 .1520 2 5/8
* 20623800T 75474 B .2380 .2380 2-1/2 1
* 20611300T 77389 #33 .1130 .1130 2 5/8
* 20604690A 75404 3/64 .0469 3/64 1-1/2 3/8
* 20634380T 75492 11/32 .3438 11/32 2-1/2 1-1/4
20626600 26430 H .2660 .2660 2-1/2 1
20626560 26427 17/64 .2656 17/64 2-1/2 1
* 20621300T 75469 #3 .2130 .2130 2-1/2 1
20606350 26067 #52 .0635 .0635 1-1/2 3/8
20604650 26025 #56 .0465 .0465 1-1/2 3/8
* 20606700T 75416 #51 .0670 .0670 1-1/2 3/8
20659380 26724 19/32 .5938 19/32 3-1/2 1-5/8
20604100 26007 #59 .0410 .0410 1-1/2 3/8
* 20629000T 75483 L .2900 .2900 2-1/2 1
* 20631250A 75486 5/16 .3125 5/16 2-1/2 1-1/4
* 20628120A 75482 9/32 .2812 9/32 2-1/2 1
* 20618500A 77398 #13 .1850 .1850 2-3/16 3/4
* 20617300A 75459 #17 .1730 .1730 2-1/8 3/4
* 20624600A 14535 D .2460 .2460 2-1/2 1
* 20643750A 75503 7/16 .4375 7/16 2-3/4 1-1/4
20641300 26622 Z .4130 .4130 2-3/4 1-1/4
20617700 26280 #16 .1770 .1770 2-1/8 3/4
20634800 26541 S .3480 .3480 2-1/2 1-1/4
* 20615900A 75451 #21 .1590 .1590 2 3/4
20675000 26778 3/4 .7500 3/4 4 2-1/8
* 20651560A 77412 33/64 .5156 33/64 3-1/2 1-3/8
20614400 26217 #27 .1440 .1440 2 5/8
* 20640620T 77409 13/32 .4062 13/32 2-3/4 1-1/4
20618200 26292 #14 .1820 .1820 2-3/16 3/4
* 20612000A 15956 #31 .1200 .1200 2 5/8
* 20607000C 75417 #50 .0700 .0700 1-1/2 3/8
20650000 26691 1/2 .5000 1/2 3 1-1/4
20616600 26262 #19 .1660 .1660 2-1/8 3/4
* 20609600A 17213 #41 .0960 .0960 2 1/2
* 20608900A 77380 #43 .0890 .0890 2 1/2
20654690 26706 35/64 .5469 35/64 3-1/2 1-1/2
* 20609350T 75427 #42 .0935 .0935 2 1/2
* 20606250A 75410 1/16 .0625 1/16 1-1/2 3/8
20664060 26739 41/64 .6406 41/64 4 1-7/8
* 20614950C 77391 #25 .1495 .1495 2 5/8
* 20609950C 75431 #39 .0995 .0995 2 5/8
20619600 26316 #9 .1960 .1960 2-1/4 3/4
* 20612850A 75441 #30 .1285 .1285 2 5/8
* 20615620C 75450 5/32 .1562 5/32 2 3/4
* 20610150A 75432 #38 .1015 .1015 2 5/8
* 20615200A 77392 #24 .1520 .1520 2 5/8
20604300 26016 #57 .0430 .0430 1-1/2 3/8
20627200 26439 I .2720 .2720 2-1/2 1
20657810 26718 37/64 .5781 37/64 3-1/2 1-5/8
20619350 26313 #10 .1935 .1935 2-3/16 3/4
20636800 26565 U .3680 .3680 2-1/2 1-1/4
20607810 26091 5/64 .0781 5/64 1-1/2 1/2
* 20675000A 77416 3/4 .7500 3/4 4 2-1/8
* 20619600A 75466 #9 .1960 .1960 2-1/4 3/4
20611000 26160 #35 .1100 .1100 2 5/8
* 20618500T 75461 #13 .1850 .1850 2-3/16 3/4
* 20608100T 75425 #46 .0810 .0810 1-1/2 1/2
20612850 26193 #30 .1285 .1285 2 5/8
20609600 26130 #41 .0960 .0960 2 1/2
* 20612500A 75439 1/8 .1250 1/8 2 5/8
20617190 26271 11/64 .1719 11/64 2-1/8 3/4
* 20620100A 77399 #7 .2010 .2010 2-1/4 3/4
* 20605200A 77368 #55 .0520 .0520 1-1/2 3/8
20610940 26157 7/64 .1094 7/64 2 5/8
* 20665620T 16452 21/32 .6562 21/32 4 1-7/8
* 20625700T 75478 F .2570 .2570 2-1/2 1
20638600 26589 W .3860 .3860 2-3/4 1-1/4
20634380 26535 11/32 .3438 11/32 2-1/2 1-1/4
* 20618200T 75460 #14 .1820 .1820 2-3/16 3/4
* 20612500T 75440 1/8 .1250 1/8 2 5/8
* 20608100C 75424 #46 .0810 .0810 1-1/2 1/2
* 20617190C 10733 11/64 .1719 11/64 2-1/8 3/4
20653120 26700 17/32 .5312 17/32 3-1/2 1-3/8
20623800 26388 B .2380 .2380 2-1/2 1
* 20607300T 75420 #49 .0730 .0730 1-1/2 3/8
20611300 26169 #33 .1130 .1130 2 5/8
* 20613600T 75443 #29 .1360 .1360 2 5/8
* 20608100A 77375 #46 .0810 .0810 1-1/2 1/2
20676560 26781 49/64 .7656 49/64 4 2-1/4
20626100 26421 G .2610 .2610 2-1/2 1
* 20609950F 77385 #39 .0995 .0995 2 5/8
20632300 26508 P .3230 .3230 2-1/2 1-1/4
20604200 26013 #58 .0420 .0420 1-1/2 3/8
20619100 26307 #11 .1910 .1910 2-3/16 3/4
20618750 26298 3/16 .1875 3/16 2-3/16 3/4
20678120 26784 25/32 .7812 25/32 4 2-1/4
* 20618750A 75462 3/16 .1875 3/16 2-3/16 3/4
* 20606350T 75413 #52 .0635 .0635 1-1/2 3/8
20632810 26514 21/64 .3281 21/64 2-1/2 1-1/4
20623440 26382 15/64 .2344 15/64 2-1/2 1
20609950 26139 #39 .0995 .0995 2 5/8
20633200 26520 Q .3320 .3320 2-1/2 1-1/4
20606250 26061 1/16 .0625 1/16 1-1/2 3/8
20656250 26712 9/16 .5625 9/16 3-1/2 1-1/2
20633900 26529 R .3390 .3390 2-1/2 1-1/4
20615620 26241 5/32 .1562 5/32 2 3/4
* 20668750A 77415 11/16 .6875 11/16 4 1-7/8
20621300 26352 #3 .2130 .2130 2-1/2 1
20620310 26331 13/64 .2031 13/64 2-1/4 3/4
* 20604000A 10730 #60 .0400 .0400 1-1/2 3/8
20614700 26223 #26 .1470 .1470 2 5/8
* 20664060T 75513 41/64 .6406 41/64 4 1-7/8
20622100 26364 #2 .2210 .2210 2-1/2 1
* 20616100T 77396 #20 .1610 .1610 2 3/4
20635800 26550 T .3580 .3580 2-1/2 1-1/4
20629500 26469 M .2950 .2950 2-1/2 1-1/4
* 20619100A 75464 #11 .1910 .1910 2-3/16 3/4
* 20605200C 77369 #55 .0520 .0520 1-1/2 3/8
20630200 26481 N .3020 .3020 2-1/2 1-1/4
20614050 26208 #28 .1405 .1405 2 5/8
* 20604300A 77367 #57 .0430 .0430 1-1/2 3/8
* 20610940T 77386 7/64 .1094 7/64 2 5/8
* 20631600T 75488 O .3160 .3160 2-1/2 1-1/4
20610650 26154 #36 .1065 .1065 2 5/8
* 20621870T 77403 7/32 .2187 7/32 2-1/2 1
20605200 26040 #55 .0520 .0520 1-1/2 3/8
* 20610400A 75433 #37 .1040 .1040 2 5/8
* 20607600T 75421 #48 .0760 .0760 1-1/2 1/2
20637500 26574 3/8 .3750 3/8 2-1/2 1-1/4
* 20625700F 15950 F .2570 .2570 2-1/2 1
* 20609800A 77384 #40 .0980 .0980 2 5/8
20610150 26142 #38 .1015 .1015 2 5/8
* 20629500T 75484 M .2950 .2950 2-1/2 1-1/4
* 20615620A 10732 5/32 .1562 5/32 2 3/4
20639700 26601 X .3970 .3970 2-3/4 1-1/4
20609350 26121 #42 .0935 .0935 2 1/2
* 20634800T 75493 S .3480 .3480 2-1/2 1-1/4
* 20616950A 75456 #18 .1695 .1695 2-1/8 3/4
* 20645310A 75504 29/64 .4531 29/64 3 1-1/4
* 20619900A 15391 #8 .1990 .1990 2-1/4 3/4
* 20605500A 77370 #54 .0550 .0550 1-1/2 3/8
* 20676560A 18937 49/64 .7656 49/64 4 2-1/4
* 20616600T 75455 #19 .1660 .1660 2-1/8 3/4
* 20624200T 75475 C .2420 .2420 2-1/2 1
20608200 26103 #45 .0820 .0820 1-1/2 1/2
* 20605950A 75408 #53 .0595 .0595 1-1/2 3/8
* 20637500T 77408 3/8 .3750 3/8 2-1/2 1-1/4
20619900 26322 #8 .1990 .1990 2-1/4 3/4
* 20626560T 75480 17/64 .2656 17/64 2-1/2 1
* 20626560A 75479 17/64 .2656 17/64 2-1/2 1
* 20607300A 75419 #49 .0730 .0730 1-1/2 3/8
* 20604690C 12804 3/64 .0469 3/64 1-1/2 3/8
20620100 26328 #7 .2010 .2010 2-1/4 3/4
20609800 26133 #40 .0980 .0980 2 5/8
* 20615200T 77393 #24 .1520 .1520 2 5/8
* 20614060T 75445 9/64 .1406 9/64 2 5/8
20640620 26616 13/32 .4062 13/32 2-3/4 1-1/4
* 20607000T 75418 #50 .0700 .0700 1-1/2 3/8
20607300 26082 #49 .0730 .0730 1-1/2 3/8
* 20614060A 75444 9/64 .1406 9/64 2 5/8
* 20653120T 77413 17/32 .5312 17/32 3-1/2 1-3/8
* 20627700A 75481 J .2770 .2770 2-1/2 1
* 20615400T 75449 #23 .1540 .1540 2 5/8
20611100 26166 #34 .1110 .1110 2 5/8
* 20662500A 77414 5/8 .6250 5/8 3-1/2 1-3/4
* 20625700A 75477 F .2570 .2570 2-1/2 1
* 20607000A 77372 #50 .0700 .0700 1-1/2 3/8
* 20609800T 75429 #40 .0980 .0980 2 5/8
20673440 26772 47/64 .7344 47/64 4 2-1/8
20662500 26733 5/8 .6250 5/8 3-1/2 1-3/4
20608900 26115 #43 .0890 .0890 2 1/2
* 20656250A 75511 9/16 .5625 9/16 3-1/2 1-1/2
20665620 26745 21/32 .6562 21/32 4 1-7/8
* 20617190A 75457 11/64 .1719 11/64 2-1/8 3/4
20618000 26286 #15 .1800 .1800 2-3/16 3/4
* 20607000AV 77373 #50 .0700 .0700 1-1/2 3/8
* 20609380T 77382 3/32 .0938 3/32 2 1/2
* 20609600T 75428 #41 .0960 .0960 2 1/2
* 20615700T 77395 #22 .1570 .1570 2 3/4
* 20650000C 16294 1/2 .5000 1/2 3 1-1/4
* 20629690A 75485 19/64 .2969 19/64 2-1/2 1-1/4
* 20621870A 75470 7/32 .2187 7/32 2-1/2 1
* 20616600A 77397 #19 .1660 .1660 2-1/8 3/4
* 20635940A 75495 23/64 .3594 23/64 2-1/2 1-1/4
20614060 26211 9/64 .1406 9/64 2 5/8
20604000 26004 #60 .0400 .0400 1-1/2 3/8
* 20612000T 75438 #31 .1200 .1200 2 5/8
* 20606700C 75415 #51 .0670 .0670 1-1/2 3/8
* 20610400T 75434 #37 .1040 .1040 2 5/8
* 20607810A 75422 5/64 .0781 5/64 1-1/2 1/2
* 20606250C 75411 1/16 .0625 1/16 1-1/2 3/8
20616950 26268 #18 .1695 .1695 2-1/8 3/4
20605950 26058 #53 .0595 .0595 1-1/2 3/8
* 20615620CE 77394 5/32 .1562 5/32 2 3/4
20671880 26766 23/32 .7188 23/32 4 2-1/8
* 20640620A 75500 13/32 .4062 13/32 2-3/4 1-1/4
* 20606350A 77371 #52 .0635 .0635 1-1/2 3/8
* 20604200A 77366 #58 .0420 .0420 1-1/2 3/8
20667190 26751 43/64 .6719 43/64 4 1-7/8
* 20616100A 75453 #20 .1610 .1610 2 3/4
* 20607600A 77374 #48 .0760 .0760 1-1/2 1/2
20648440 26685 31/64 .4844 31/64 3 1-1/4
* 20641300T 77410 Z .4130 .4130 2-3/4 1-1/4
* 20632300A 75489 P .3230 .3230 2-1/2 1-1/4
* 20617190T 75458 11/64 .1719 11/64 2-1/8 3/4
* 20606700A 75414 #51 .0670 .0670 1-1/2 3/8
* 20645310T 75505 29/64 .4531 29/64 3 1-1/4
* 20614400A 77390 #27 .1440 .1440 2 5/8
* 20608900T 75426 #43 .0890 .0890 2 1/2
20612500 26187 1/8 .1250 1/8 2 5/8
* 20625000A 75476 1/4 & E .2500 1/4 2-1/2 1
20624200 26394 C .2420 .2420 2-1/2 1
* 20610940A 75436 7/64 .1094 7/64 2 5/8
20616100 26253 #20 .1610 .1610 2 3/4
20623400 26379 A .2340 .2340 2-1/2 1
20617300 26274 #17 .1730 .1730 2-1/8 3/4
* 20609600C 77383 #41 .0960 .0960 2 1/2
20609380 26124 3/32 .0938 3/32 2 1/2
20607000 26076 #50 .0700 .0700 1-1/2 3/8
* 20605950T 75409 #53 .0595 .0595 1-1/2 3/8
* 20605950C 12805 #53 .0595 .0595 1-1/2 3/8
20625000 26406 1/4 & E .2500 1/4 2-1/2 1
* 20627700C 17189 J .2770 .2770 2-1/2 1
* 20635800T 75494 T .3580 .3580 2-1/2 1-1/4
* 20629500A 77407 M .2950 .2950 2-1/2 1-1/4
* 20621300A 77402 #3 .2130 .2130 2-1/2 1
* 20632810A 75490 21/64 .3281 21/64 2-1/2 1-1/4
* 20618750T 75463 3/16 .1875 3/16 2-3/16 3/4
* 20608600T 77379 #44 .0860 .0860 2 1/2
20620900 26346 #4 .2090 .2090 2-1/4 3/4
20613600 26202 #29 .1360 .1360 2 5/8
20611600 26175 #32 .1160 .1160 2 5/8
20604690 26028 3/64 .0469 3/64 1-1/2 3/8
* 20613600A 75442 #29 .1360 .1360 2 5/8
* 20634380A 75491 11/32 .3438 11/32 2-1/2 1-1/4
* 20604690T 75405 3/64 .0469 3/64 1-1/2 3/8
* 20608600A 77377 #44 .0860 .0860 2 1/2
20614950 26226 #25 .1495 .1495 2 5/8
20615700 26244 #22 .1570 .1570 2 3/4
* 20625000T 77405 1/4 & E .2500 1/4 2-1/2 1
* 20619100T 75465 #11 .1910 .1910 2-3/16 3/4
* 20604000T 75400 #60 .0400 .0400 1-1/2 3/8
20620550 26340 #5 .2055 .2055 2-1/4 3/4
20615900 26250 #21 .1590 .1590 2 3/4
20612000 26181 #31 .1200 .1200 2 5/8
20620400 26334 #6 .2040 .2040 2-1/4 3/4
20618500 26295 #13 .1850 .1850 2-3/16 3/4
20608600 26109 #44 .0860 .0860 2 1/2
* 20604650T 75403 #56 .0465 .0465 1-1/2 3/8
* 20614950T 75448 #25 .1495 .1495 2 5/8
* 20618000T 17076 #15 .1800 .1800 2-3/16 3/4
* 20620100T 77400 #7 .2010 .2010 2-1/4 3/4
* 20611000A 77387 #35 .1100 .1100 2 5/8
* 20610650T 75435 #36 .1065 .1065 2 5/8
* 20607850T 75423 #47 .0785 .0785 1-1/2 1/2
* 20637700A 75497 V .3770 .3770 2-1/2 1-1/4
20635940 26556 23/64 .3594 23/64 2-1/2 1-1/4
* 20620310T 77401 13/64 .2031 13/64 2-1/4 3/4
* 20605500T 75407 #54 .0550 .0550 1-1/2 3/8
* 20648440A 75508 31/64 .4844 31/64 3 1-1/4
* 20628120T 77406 9/32 .2812 9/32 2-1/2 1
* 20615900C 75452 #21 .1590 .1590 2 3/4
* 20646880T 75507 15/32 .4688 15/32 3 1-1/4
* 20607810T 10731 5/64 .0781 5/64 1-1/2 1/2
20608100 26100 #46 .0810 .0810 1-1/2 1/2
* 20662500GP 18856 5/8 .6250 5/8 3-1/2 1-3/4
* 20650000T 77411 1/2 .5000 1/2 3 1-1/4
* 20631250T 75487 5/16 .3125 5/16 2-1/2 1-1/4
* 20606250T 75412 1/16 .0625 1/16 1-1/2 3/8
20651560 26697 33/64 .5156 33/64 3-1/2 1-3/8
20624600 26400 D .2460 .2460 2-1/2 1