Zero Flute Countersink

AND DEBURRING TOOLS
- All-purpose tool provides flawless counter sinking and deburring
- Chatter-free cutting action requires minimal power
- Micro-smooth CNC precision ground construction produces clean, smooth cutting without smearing on a variety of materials
- Works on all materials- excels in aluminum, plastics and other non-metallic materials
- Made in the USA
Dia. of Cut | 60° Angle | ||||
Head Dia. |
Min. | Max. | OAL | Shank Dia |
Part Number |
5/16 | 7/64 | 9/32 | 1-7/8 | 1/4 | KEO-53500 |
3/8 | 5/32 | 11/32 | 1-7/8 | 1/4 | KEO-53501 |
1/2 | 11/64 | 29/64 | 2 | 5/16 | KEO-53502 |
5/8 | 3/16 | 37/64 | 2-1/2 | 3/8 | KEO-53503 |
3/4 | 1/4 | 45/64 | 2-3/4 | 3/8 | KEO-53504 |
1 | 19/64 | 27/32 | 3 | 3/8 | KEO-53505 |
1-1/4 | 27/64 | 1-1/32 | 3-1/2 | 1/2 | KEO-53506 |
Dia. of Cut | 82° Angle | 90° Angle | 100° Angle | ||||
Head Dia. |
Min. | Max. | OAL | Shank Dia |
Part Number | Part Number | Part Number |
5/16 | 3/32 | 9/32 | 1-5/8 | 1/4 | KEO-53510 | KEO-53520 | KEO-53530 |
3/8 | 9/64 | 11/32 | 1-3/4 | 1/4 | KEO-53511 | KEO-53521 | KEO-53531 |
1/2 | 5/32 | 29/64 | 1-3/4 | 5/16 | KEO-53512 | KEO-53522 | KEO-53532 |
5/8 | 11/64 | 37/64 | 2-1/8 | 3/8 | KEO-53513 | KEO-53523 | KEO-53533 |
3/4 | 13/64 | 45/64 | 2-3/8 | 3/8 | KEO-53514 | KEO-53524 | KEO-53534 |
1 | 19/64 | 59/64 | 2-5/8 | 3/8 | KEO-53515 | KEO-53525 | KEO-53535 |
1-1/4 | 23/64 | 1-3/32 | 3-1/8 | 1/2 | KEO-53516 | KEO-53526 | KEO-53536 |
4 Piece Set Includes: |
C’Sink Angle |
Part Number |
5/16, 3/8, 1/2, 5/8 | 60° | KEO-53508 |
82° | KEO-53518 | |
90° | KEO-53528 |

HSS-M35 5% Cobalt
FEATURES:
- Zeroflute deburring tools give chatterless finishes.
- Single cutting edge for fast removal of stock.
- Free Cutting.
- Designed for 60°82° and 90° cutting.
- Easily sharpened by use of a small mounted grinding wheel inserted into hole.
Size | Body Dia |
Dia of Cut | OAL | Shank Dia |
60° Angle Part Number |
82° Angle Part Number |
90° Angle Part Number |
|
Min* | Max | |||||||
0+ | 1/4 | .08 | .22 | 1-3/4 | 1/4 | MAG-4120635 | MAG-4140635 | MAG-4110635 |
1 | 7/16 | .15 | .40 | 1-3/4 | 1/4 | MAG-4121120 | MAG-4141120 | MAG-4111120 |
2 | 9/16 | .20 | .52 | 2” | 1/4 | MAG-4121400 | MAG-4141400 | MAG-4111400 |
3 | 13/16 | .30 | .75 | 2-5/8 | 1/2 | MAG-4122040 | MAG-4142040 | MAG-4112040 |
4 | 1-3/16 | .48 | 1.10 | 3-1/2 | 1/2 | MAG-4123010 | MAG-4143010 | MAG-4113010 |