Attachment for sharpening twist drills (DM-2772-011)
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Description
Features and application:
- Device designed for precise grinding of double-edged tools, such as twist drills and countersinks.
- The device is equipped with 2 attachments for mounting tools with shanks of diameters 3 - 12 and 12 - 21 mm.
- It has a scale enabling setting the point angle from 118° to 150° (2° scale interval).
- Allows you to sharpen tools from one mounting without having to move the tool by 180°.
- Designed for working with DM 2772 sharpener
Technical data:
| Parameter | Value | Unit |
|---|---|---|
| Range of sharpened drills | 3 - 12 12 - 21 |
mm |
| Weight | 7.7 | kg |
Instructional video:
- Set the drill point parallel to the axis of the holder
- Mount the drill in the holder so that it protrudes by about 22 mm
- Set the desired point angle on the device
- Mount the holder with the drill in the device
- Bring the edge of the drill close to the surface of the grinding wheel
- Make a test grinding movement of the drill "dry" (with the sharpener turned off)
- If everything is set correctly, move the holder away and turn on the power sharpener
- Move the handle to the face of the grinding wheel and smoothly rotate the handle clockwise for a full 360º.
- After approximately 180º of rotation, the sharpened edge will change.
- Repeat the operation until the desired effect is achieved.


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