Threading holder | DIN40 chuck for quick-change inserts | thread M3 - M12 (DM-112)
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Description
Values and application:
- Threading holder designed for tools with a cylindrical shank and a square shank, primarily for machine taps.
- For the DIN40 M3-M12 tapping head we use GGZD quick-change inserts with a ø19 shank, also called drivers (not included in the set).
- The head is equipped with a device for thread pitch compensation.
- Used when working on drilling machines, lathes, milling machines, numerically controlled machine tools.
Technical data:

| Parameter | Value | Unit |
|---|---|---|
| K (DIN 69871) | 40 | |
| Thread range | M3 - M12 | mm |
| D | 36 | mm |
| d2 | 19 | mm |
| D1 | 44.45 | mm |
| L1 | 64 | mm |
| Weight | 1.0 | kg |
Technical information: DIN 69871 grip


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