Single Flute Countersink

60°, 82° & 90° Point Angles-HSS & Cobalt
- Ideal for chamfering, deburring and countersinking
- Large positive rake and single flute construction provide a smooth surface finish on a wide variety of materials
- Tool versatility can help increse productivity on all general purpose applications
- Made in the USA
HIGH SPEED STEEL | COBALT | |||||||
Body Dia. |
OAL | Shank Dia |
60° Angle Part Number |
82° Angle Part Number |
90° Angle Part Number |
60° Angle Part Number |
82° Angle Part Number |
90° Angle Part Number |
1/8 | 1-1/4 | 1/8 | KEO-53186 | KEO-53188 | KEO-53189 | KEO-55400 | KEO-55412 | KEO-55424 |
3/16 | 1-3/8 | 3/16 | KEO-53176 | KEO-53178 | KEO-53179 | KEO-55401 | KEO-55413 | KEO-55425 |
1/4 | 1-1/2 | 1/4 | KEO-53146 | KEO-53148 | KEO-53149 | KEO-55402 | KEO-55414 | KEO-55426 |
3/8 | 1-3/4 | 1/4 | KEO-53386 | KEO-53388 | KEO-53389 | KEO-55403 | KEO-55415 | KEO-55427 |
1/2 | 2 | 1/4 | KEO-53126 | KEO-53128 | KEO-53129 | KEO-55404 | KEO-55416 | KEO-55428 |
5/8 | 2-1/4 | 3/8 | KEO-53586 | KEO-53588 | KEO-53589 | KEO-55405 | KEO-55417 | KEO-55429 |
3/4 | 2-5/8 | 1/2 | KEO-53346 | KEO-53348 | KEO-53349 | KEO-55406 | KEO-55418 | KEO-55430 |
1 | 2-3/4 | 1/2 | KEO-53106 | KEO-53108 | KEO-53109 | KEO-55407 | KEO-55419 | KEO-55431 |
1-1/4 | 3 | 1/2 | KEO-53246 | KEO-53248 | KEO-53249 | KEO-55408 | KEO-55420 | KEO-55432 |
1-1/2 | 3-1/4 | 3/4 | KEO-53226 | KEO-53228 | KEO-53229 | KEO-55409 | KEO-55421 | KEO-55433 |
1-3/4 | 3-1/2 | 3/4 | KEO-53446 | KEO-53448 | KEO-53449 | KEO-55410 | KEO-55422 | KEO-55434 |
2 | 3-3/4 | 3/4 | KEO-53206 | KEO-53208 | KEO-53209 | KEO-55411 | KEO-55423 | KEO-55435 |

HSS-M35 5% Cobalt
- Single flute countersinks provide smooth finishes on a wide range of materials.
- Great countersinking capacity from the point to the outside diameter.
- Complete size range is available in 60° - 82° or 90° included angles.
Size | OAL | Shank Dia |
60° Angle Part Number |
82° Angle Part Number |
90° Angle Part Number |
1/8 | 1-1/4 | 1/8 | MAG-4220317 | MAG-4240317 | MAG-4210317 |
3/16 | 1-3/8 | 3/16 | MAG-4220476 | MAG-4240476 | MAG-4210476 |
1/4 | 1-1/2 | 1/4 | MAG-4220635 | MAG-4240635 | MAG-4210635 |
5/16 | 1-5/8 | 1/4 | MAG-4220793 | MAG-4240793 | MAG-4210793 |
3/8 | 1-3/4 | 1/4 | MAG-4220952 | MAG-4240952 | MAG-4210952 |
1/2 | 2” | 1/4 | MAG-4221270 | MAG-4241270 | MAG-4211270 |
5/8 | 2-1/4 | 3/8 | MAG-4221587 | MAG-4241587 | MAG-4211587 |
3/4 | 2-5/8 | 1/2 | MAG-4221905 | MAG-4241905 | MAG-4211905 |
7/8 | 2-3/4 | 1/2 | MAG-4222222 | MAG-4242222 | MAG-4212222 |
1” | 2-3/4 | 1/2 | MAG-4222540 | MAG-4242540 | MAG-4212540 |
1-1/4 | 2-3/4* | 1/2 | MAG-4223175 | MAG-4243175 | MAG-4213175 |
*The 60° Countersink (MAG-4223175) has an overall length of 3” |