| Sizes and Dimensions | 250 Series | 2505 Series | |||
| Size | Dec. Equiv. |
Flute Length |
O.A. Length |
HSS Brad Point Right Hand |
HSS Brad Point Left Hand |
|---|---|---|---|---|---|
| 5/64 | .0781 | 11/16" | 1-11/16" | 25000078 | 25050078 |
| 3/32 | .0937 | 3/4" | 1-3/4" | 25000093 | 25050093 |
| 7/64 | .1094 | 13/16" | 1-13/16" | 25000109 | 25050109 |
| 1/8 | .1250 | 7/8" | 1-7/8" | 25000125 | 25050125 |
| 9/64 | .1406 | 15/16" | 1-15/16" | 25000140 | 25050140 |
| 5/32 | .1562 | 1" | 2-1/16" | 25000156 | 25050156 |
| 11/64 | .1719 | 1-1/16" | 2-1/8" | 25000171 | 25050171 |
| 3/16 | .1875 | 1-1/8" | 2-3/16" | 25000187 | 25050187 |
| 13/64 | .2031 | 1-3/16" | 2-1/4" | 25000203 | 25050203 |
| 7/32 | .2188 | 1-1/4" | 2-3/8" | 25000218 | 25050218 |
| 15/64 | .2344 | 1-5/16" | 2-7/16" | 25000234 | 25050234 |
| 1/4 | .2500 | 1-3/8" | 2-1/2" | 25000250 | 25050250 |
| 17/64 | .2656 | 1-7/16" | 2-5/8" | 25000265 | 25050265 |
| 9/32 | .2812 | 1-1/2" | 2-11/16" | 25000281 | 25050281 |
| 19/64 | .2969 | 1-7/16" | 2-5/8" | 25000296 | 25050296 |
| 5/16 | .3125 | 1-5/8" | 2-13/16" | 25000312 | 25050312 |
| 21/64 | .3281 | 1-11/16" | 2-15/16" | 25000328 | 25050328 |
| 11/32 | .3438 | 1-11/16" | 3" | 25000343 | 25050343 |
| 23/64 | .3594 | 1-3/4" | 3-1/16" | 25000359 | 25050359 |
| 3/8 | .3750 | 1-13/16" | 3-1/8" | 25000375 | 25050375 |
| 25/64 | .3906 | 1-7/8" | 3-1/4" | 25000390 | 25050390 |
| 13/32 | .4062 | 1-15/16" | 3-5/16" | 25000406 | 25050406 |
| 27/64 | .4219 | 2" | 3-3/8" | 25000421 | 25050421 |
| 7/16 | .4375 | 2-1/16" | 3-7/16" | 25000437 | 25050437 |
| 29/64 | .4531 | 2-1/8" | 3-9/16" | 25000453 | 25050453 |
| 15/32 | .4688 | 2-1/8" | 3-5/8" | 25000468 | 25050468 |
| 31/32 | .4844 | 2-3/16" | 3-11/16" | 25000484 | 25050484 |
| 1/2 | .5000 | 2-1/4" | 3-3/4" | 25000500 | 25050500 | Shanks below are larger than 1/2” and may not fit in your chuck. Shanks can be ground to smaller diameters. Price on Request. |
| Size | Dec. Equiv. |
Flute Length |
O.A. Length |
HSS Brad Point Right Hand |
HSS Brad Point Left Hand |
| 33/64 | .5156 | 2-3/8" | 3-7/8" | 25000515 | 25050515 |
| 17/32 | .5312 | 2-3/8" | 3-7/8" | 25000531 | 25050531 |
| 35/64 | .5469 | 2-1/2" | 4" | 25000546 | 25050546 |
| 9/16 | .5625 | 2-1/2" | 4" | 25000562 | 25050562 |
| 37/64 | .5781 | 2-5/8" | 4-1/8" | 25000578 | 25050578 |
| 19/32 | .5938 | 2-5/8" | 4-1/8" | 25000593 | 25050593 |
| 39/64 | .6094 | 2-3/4" | 4-1/4" | 25000609 | 25050609 |
| 5/8 | .6250 | 2-3/4" | 4-1/4" | 25000625 | 25050625 |
| 41/64 | .6406 | 2-7/8" | 4-1/2" | 25000640 | 25050640 |
| 21/32 | .6562 | 2-7/8" | 4-1/2" | 25000656 | 25050656 |
| 43/64 | .6719 | 2-7/8" | 4-5/8" | 25000671 | 25050671 |
| 11/16 | .6875 | 2-7/8" | 4-5/8" | 25000687 | 25050687 |
| 45/64 | .7031 | 3" | 4-3/4" | 25000703 | 25050703 |
| 23/32 | .7188 | 3" | 4-3/4" | 25000718 | 25050718 |
| 47/64 | .7344 | 3-1/8" | 5" | 25000734 | 25050734 |
| 3/4 | .7500 | 3-1/8" | 5" | 25000750 | 25050750 |
| 49/64 | .7656 | 3-1/4" | 5-1/8" | 25000765 | 25050765 |
| 25/32 | .7812 | 3-1/4" | 5-1/8" | 25000781 | 25050781 |
| 51/64 | .7969 | 3-3/8" | 5-1/4" | 25000796 | 25050796 |
| 13/16 | .8125 | 3-3/8" | 5-1/4" | 25000812 | 25050812 |
| 53/64 | .8281 | 3-1/2" | 5-3/8" | 25000828 | 25050828 |
| 27/32 | .8438 | 3-1/2" | 5-3/8" | 25000843 | 25050843 |
| 55/64 | .8594 | 3-1/2" | 5-1/2" | 25000859 | 25050859 |
| 7/8 | .8750 | 3-1/2" | 5-1/2" | 25000875 | 25050875 |
| 57/64 | .8906 | 3-5/8" | 5-5/8" | 25000890 | 25050890 |
| 29/32 | .9062 | 3-5/8" | 5-5/8" | 25000906 | 25050906 |
| 59/64 | .9219 | 3-3/4" | 5-3/4" | 25000921 | 25050921 |
| 15/16 | .9375 | 3-3/4" | 5-3/4" | 25000937 | 25050937 |
| 61/64 | .9531 | 3-7/8" | 5-7/8" | 25000953 | 25050953 |
| 31/32 | .9688 | 3-7/8" | 5-7/8" | 25000968 | 25050968 |
| 63/64 | .9844 | 4" | 6" | 25000984 | 25050984 |
| 1 | 1.000 | 4" | 6" | 25001000 | 25051000 |
| 1-1/8 | 1.125 | 4" | 6-3/8" | 25001125 | 25051125 |
| Sizes and Dimensions | 280 Series | 2805 Series | mm Size | Dec. Equiv. |
Flute Length |
O.A. Length |
HSS Brad Point Right Hand |
HSS Brad Point Left Hand |
|---|---|---|---|---|---|
| 2.0 | .0787 | 15/32" | 1-1/2" | 28000078 | 28050078 |
| 2.25 | .0886 | 1/2" | 1-9/16" | 28000088 | 28050088 |
| 2.5 | .0984 | 9/16" | 1-11/16" | 28000098 | 28050098 |
| 2.75 | .1083 | x | x | x | x |
| 3.0 | .1181 | 5/8" | 1-13/16" | 28000118 | 28050118 |
| 3.2 | .1260 | 23/32" | 1-15/16" | 28000126 | 28050126 |
| 3.25 | .1280 | x | x | x | x |
| 3.4 | .1339 | 25/32" | 2-1/16" | 28000133 | 28050133 |
| 3.5 | .1378 | 25/32" | 2-1/16" | 28000137 | 28050137 |
| 3.75 | .1476 | x | x | x | x |
| 4.0 | .1575 | 7/8" | 2-5/32" | 28000157 | 28050157 |
| 4.25 | .1673 | x | x | x | x |
| 4.5 | .1772 | 15/16" | 2-9/32" | 28000177 | 28050177 |
| 4.75 | .1870 | x | x | x | x |
| 5.0 | .1968 | 1-1/32" | 2-7/16" | 28000196 | 28050196 |
| 5.1 | .2008 | 1-1/32" | 2-7/16" | 28000200 | 28050200 |
| 5.2 | .2047 | 1-1/32" | 2-7/16" | 28000204 | 28050204 |
| 5.25 | .2067 | x | x | x | x |
| 5.3 | .2087 | 1-1/32" | 2-7/16" | 28000208 | 28050208 |
| 5.4 | .2126 | 1-3/32" | 2-19/32" | 28000212 | 28050212 |
| 5.5 | .2165 | 1-3/32" | 2-19/32" | 28000216 | 28050216 |
| 5.6 | .2205 | 1-3/32" | 2-19/32" | 28000220 | 28050220 |
| 5.7 | .2244 | 1-3/32" | 2-19/32" | 28000224 | 28050224 |
| 5.75 | .2264 | x | x | x | x |
| 5.8 | .2283 | 1-3/32" | 2-19/32" | 28000228 | 28050228 |
| 5.9 | .2323 | 1-3/32" | 2-19/32" | 28000232 | 28050232 |
| 6.0 | .2362 | 1-3/32" | 2-19/32" | 28000236 | 28050236 |
| 6.2 | .2441 | 1-7/32" | 2-3/4" | 28000244 | 28050244 |
| 6.25 | .2461 | x | x | x | x |
| 6.4 | .2520 | 1-7/32" | 2-3/4" | 28000252 | 28050252 |
| 6.5 | .2559 | 1-7/32" | 2-3/4" | 28000255 | 28050255 |
| 6.6 | .2598 | 1-7/32" | 2-3/4" | 28000259 | 28050259 |
| 6.75 | .2657 | x | x | x | x |
| 6.8 | .2677 | 1-11/32" | 2-29/32" | 28000267 | 28050267 |
| 7.0 | .2756 | 1-11/32" | 2-29/32" | 28000275 | 28050275 |
| 7.25 | .2854 | x | x | x | x |
| 7.5 | .2953 | 1-11/32" | 2-29/32" | 28000295 | 28050295 |
| 7.75 | .3051 | x | x | x | x |
| 8.0 | .3150 | 1-15/32" | 3-1/8" | 28000315 | 28050315 |
| 8.25 | .3248 | x | x | x | x |
| 8.5 | .3346 | 1-15/32" | 3-1/8" | 28000334 | 28050334 |
| 8.75 | .3445 | x | x | x | x |
| 9.0 | .3543 | 1-9/16" | 3-5/16" | 28000354 | 28050354 |
| 9.25 | .3642 | x | x | x | x |
| 9.5 | .3740 | 1-9/16" | 3-5/16" | 28000374 | 28050374 |
| 9.75 | .3839 | x | x | x | x |
| 10.0 | .3937 | 1-11/16" | 3-1/2" | 28000393 | 28050393 |
| 10.5 | .4134 | 1-11/16" | 3-1/2" | 28000413 | 28050413 |
| 11.0 | .4331 | 1-27/32" | 3-3/4" | 28000433 | 28050433 |
| 11.5 | .4528 | 1-27/32" | 3-3/4" | 28000452 | 28050452 |
| 12.0 | .4724 | 2" | 4-1/32" | 28000472 | 28050472 |
| 12.5 | .4921 | 2" | 4-1/32" | 28000492 | 28050492 |
| 13.0 | .5118 | x | x | x | x |
| Sizes and Dimensions | 260 Series | 2605 Series | Wire Size | Dec. Equiv. |
Flute Length |
O.A. Length |
HSS Brad Point Right Hand |
HSS Brad Point Left Hand |
|---|---|---|---|---|---|
| 60 | .0400 | 1/2" | 1-3/8" | x | x |
| 59 | .0410 | 1/2" | 1-3/8" | x | x |
| 58 | .0420 | 1/2" | 1-3/8" | x | x |
| 57 | .0430 | 1/2" | 1-3/8" | x | x |
| 56 | .0465 | 1/2" | 1-3/8" | x | x |
| 55 | .0520 | 5/8" | 1-5/8" | x | x |
| 54 | .0550 | 5/8" | 1-5/8" | x | x |
| 53 | .0595 | 5/8" | 1-5/8" | x | x |
| 52 | .0635 | 11/16" | 1-11/16" | x | x |
| 51 | .0670 | 11/16" | 1-11/16" | x | x |
| 50 | .0700 | 11/16" | 1-11/16" | x | x |
| 49 | .0730 | 11/16" | 1-11/16" | x | x |
| 48 | .0760 | 11/16" | 1-11/16" | x | x |
| 47 | .0785 | 11/16" | 1-11/16" | 26000078 | 26050078 |
| 46 | .0810 | 3/4" | 1-3/4" | 26000081 | 26050081 |
| 45 | .0820 | 3/4" | 1-3/4" | 26000082 | 26050082 |
| 44 | .0860 | 3/4" | 1-3/4" | 26000086 | 26050086 |
| 43 | .0890 | 3/4" | 1-3/4" | 26000089 | 26050089 |
| 42 | .0935 | 3/4" | 1-3/4" | 26000093 | 26050093 |
| 41 | .0960 | 13/16" | 1-13/16" | 26000096 | 26050096 |
| 40 | .0980 | 13/16" | 1-13/16" | 26000098 | 26050098 |
| 39 | .0995 | 13/16" | 1-13/16" | 26000099 | 26050099 |
| 38 | .1015 | 13/16" | 1-13/16" | 26000101 | 26050101 |
| 37 | .1040 | 13/16" | 1-13/16" | 26000104 | 26050104 |
| 36 | .1065 | 13/16" | 1-13/16" | 26000106 | 26050106 |
| 35 | .1100 | 7/8" | 1-7/8" | 26000110 | 26050110 |
| 34 | .1110 | 7/8" | 1-7/8" | 26000111 | 26050111 |
| 33 | .1130 | 7/8" | 1-7/8" | 26000113 | 26050113 |
| 32 | .1160 | 7/8" | 1-7/8" | 26000116 | 26050116 |
| 31 | .1200 | 7/8" | 1-7/8" | 26000120 | 26050120 |
| 30 | .1285 | 15/16" | 1-15/16" | 26000128 | 26050128 |
| 29 | .1360 | 15/16" | 1-15/16" | 26000136 | 26050136 |
| 28 | .1405 | 15/16" | 1-15/16" | 26000140 | 26050140 |
| 27 | .1440 | 1" | 2-1/16" | 26000144 | 26050144 |
| 26 | .1470 | 1" | 2-1/16" | 26000147 | 26050147 |
| 25 | .1495 | 1" | 2-1/16" | 26000149 | 26050149 |
| 24 | .1520 | 1" | 2-1/16" | 26000152 | 26050152 |
| 23 | .1540 | 1" | 2-1/16" | 26000154 | 26050154 |
| 22 | .1570 | 1-1/16" | 2-1/8" | 26000157 | 26050157 |
| 21 | .1590 | 1-1/16" | 2-1/8" | 26000159 | 26050159 |
| 20 | .1610 | 1-1/16" | 2-1/8" | 26000161 | 26050161 |
| 19 | .1660 | 1-1/16" | 2-1/8" | 26000166 | 26050166 |
| 18 | .1695 | 1-1/16" | 2-1/8" | 26000169 | 26050169 |
| 17 | .1730 | 1-1/16" | 2-1/8" | 26000173 | 26050173 |
| 16 | .1770 | 1-1/8" | 2-3/16" | 26000177 | 26050177 |
| 15 | .1800 | 1-1/8" | 2-3/16" | 26000180 | 26050180 |
| 14 | .1820 | 1-1/8" | 2-3/16" | 26000182 | 26050182 |
| 13 | .1850 | 1-1/8" | 2-3/16" | 26000185 | 26050185 |
| 12 | .1890 | 1-3/16" | 2-1/4" | 26000189 | 26050189 |
| 11 | .1910 | 1-3/16" | 2-1/4" | 26000191 | 26050191 |
| 10 | .1935 | 1-3/16" | 2-1/4" | 26000193 | 26050193 |
| 9 | .1960 | 1-3/16" | 2-1/4" | 26000196 | 26050196 |
| 8 | .1990 | 1-3/16" | 2-1/4" | 26000199 | 26050199 |
| 7 | .2010 | 1-3/16" | 2-1/4" | 26000201 | 26050201 |
| 6 | .2040 | 1-1/4" | 2-3/8" | 26000204 | 26050204 |
| 5 | .2055 | 1-1/4" | 2-3/8" | 26000205 | 26050205 |
| 4 | .2090 | 1-1/4" | 2-3/8" | 26000209 | 26050209 |
| 3 | .2130 | 1-1/4" | 2-3/8" | 26000213 | 26050213 |
| 2 | .2210 | 1-5/16" | 2-7/16" | 26000221 | 26050221 |
| 1 | .2280 | 1-5/16" | 2-7/16" | 26000228 | 26050228 |
| Sizes and Dimensions | 270 Series | 2705 Series | Letter Size | Dec. Equiv. |
Flute Length |
O.A. Length |
HSS Brad Point Right Hand |
HSS Brad Point Left Hand |
|---|---|---|---|---|---|
| A | .234 | 1-15/16" | 2-7/16" | 27000234 | 27050234 |
| B | .238 | 1-3/8" | 2-1/2" | 27000238 | 27050238 |
| C | .242 | 1-3/8" | 2-1/2" | 27000242 | 27050242 |
| D | .246 | 1-3/8" | 2-1/2" | 27000246 | 27050246 |
| E | .250 | 1-3/8" | 2-1/2" | 27000250 | 27050250 |
| F | .257 | 1-7/16" | 2-5/8" | 27000257 | 27050257 |
| G | .261 | 1-7/16" | 2-5/8" | 27000261 | 27050261 |
| H | .266 | 1-1/2" | 2-11/16" | 27000266 | 27050266 |
| I | .272 | 1-1/2" | 2-11/16" | 27000272 | 27050272 |
| J | .277 | 1-1/2" | 2-11/16" | 27000277 | 27050277 |
| K | .281 | 1-1/2" | 2-11/16" | 27000281 | 27050281 |
| L | .290 | 1-9/16" | 2-3/4" | 27000290 | 27050290 |
| M | .295 | 1-9/16" | 2-3/4" | 27000295 | 27050295 |
| N | .302 | 1-9/16" | 2-3/4" | 27000302 | 27050302 |
| O | .316 | 1-11/16" | 2-15/16" | 27000316 | 27050316 |
| P | .323 | 1-11/16" | 2-15/16" | 27000323 | 27050323 |
| Q | .332 | 1-11/16" | 3" | 27000332 | 27050332 |
| R | .339 | 1-11/16" | 3" | 27000339 | 27050339 |
| S | .348 | 1-3/4" | 3" | 27000348 | 27050348 |
| T | .358 | 1-3/4" | 3-1/16" | 27000358 | 27050358 |
| U | .368 | 1-13/16" | 3-1/16" | 27000368 | 27050368 |
| V | .377 | 1-7/8" | 3-1/4" | 27000377 | 27050377 |
| W | .386 | 1-7/8" | 3-1/4" | 27000386 | 27050386 |
| X | .397 | 1-15/16" | 3-5/16" | 27000397 | 27050397 |
| Y | .404 | 1-15/16" | 3-5/16" | 27000404 | 27050404 |
| Z | .413 | 2" | 3-3/8" | 27000413 | 27050413 |
