
DIN EH-CT
Carbide Taps for Hard Materials
Specification
Coating <1.5D
Recommended Tapping Speeds depending on Materials
Thermal refined steels
調質鋼5
(m/min) 45〜55HRC Product Features
- Ideal for hiIgh hardness steel blind hole tapping of 45 to 55 HRC materials such as steel for hot dies (SKS 3, SKD 11, etc.).
- The EH-CT utilizes a ultra fine grain cemented carbide that is superior in abrasion resistance and impact resistance.
- Improved run-out accuracy of whole tap and circularity of shank.
- Tapping length is the "major diameter size × 1.5 or less", 5P chamfer for better tool life.
- For the bored hole diameter, the maximum minor diameter of a 6H internal thread diameter maximum value is recommended.
TYPE:1 YAMAWA
:2 YAMAWA :3 DIN376
TYPE TYPE
| Segment:1L | | | | L | ℓ | D | K | ℓk | No of l | |
| Size | Class | Code | Chamfer | (mm) | (mm) | s (mm) | (mm) | (mm) | . flutes | TYPE |
| | | For Metric T | hreads | | | | | l | |
| M3×0.5 | ISO2X | TD3.0GBCWA5 | 5P | 56 | 11 | 3.5 | 2.7 | 6 | 4 | 1 |
| M4×0.7 | ISO2X | TD4.0IBCWA5 | 5P | 63 | 13 | 4.5 | 3.4 | 6 | 4 | 1 |
| M5×0.8 | ISO2X | TD5.0KBCWA5 | 5P | 70 | 16 | 6 | 4.9 | 8 | 4 | 1 |
| M6×1 | ISO2X | TD6.0MBCWA5 | 5P | 80 | 19 | 6 | 4.9 | 8 | 5 | 1 |
| M8×1.25 | ISO2X | TD8.0NBCWA5 | 5P | 90 | 22 | 8 | 6.2 | 9 | 5 | 2 |
| M10×1.5 | ISO2X | TD010OBCWA5 | 5P | 100 | 24 | 10 | 8 | 11 | 5 | 2 |
| M12×1.75 | ISO2X | TG012PBCWA5 | 5P | 110 | 29 | 9 | 7 | 10 | 5 | 3 |