Copper Tungsten Tapping electrode for EDMs
Electrotool
Electrotool
Characteristic : –
Copper tungsten tapping electrode is very importance element to drill and tap for very hard metals alloy and with tight tolerance and high productivity demands. Our Copper Tungsten Tapping Electrode is produced through special cutting process for thread by CNC Lathe machine.
Remarks :-
- Strightness : 97%
- Pitch Tolereance : Outer Ø, Length : 0 to +0.02mm
- Material : CuW70 / CuW80
- Shape : with flushing hole or without flushing hole
Specifications
| Grade | Cuw | Cuw |
|---|---|---|
| Compostion | 25Cu75W | 30Cu70W |
| Gravity | 14.85 | 14.30 |
| Conductivity %ACS | 45 | 48 |
| Density | HRB 98 | HRB 93 |
| Resistance | 3 | 3 |
| ARC | 0 | 0 |
| Weld | 0 | 0 |
| Waste | 1 | 1 |
| Tension | 1 | 1 |
Others specification is available upon request
Metric unit (mm)
| Sizes | Pitch | OD | Depth | Total Length | Tapping Lenth | Flush Hole |
|---|---|---|---|---|---|---|
| M2 | 0.40 | 1.60 | 0.20 | 65 | 50 | |
| M2.5 | 0.45 | 1.80 | 0.22 | 65 | 50 | |
| M3 | 0.50 | 2.00 | 0.27 | 65 | 50 | |
| M4 | 0.70 | 2.80 | 0.38 | 65 | 50 | |
| M5 | 0.80 | 3.70 | 0.43 | 65 | 50 | |
| M6 | 1.00 | 4.50 | 0.54 | 65 | 50 | |
| M8 | 1.25 | 6.30 | 0.68 | 65 | 50 | |
| M10 | 1.50 | 6.80 | 0.81 | 65 | 50 | |
| M12 | 1.75 | 9.70 | 0.95 | 65 | 50 | |
| M14 | 2.00 | 11.50 | 1.08 | 65 | 50 | |
| M16 | 2.00 | 13.50 | 1.08 | 65 | 50 | |
| M18 | 2.50 | 15.00 | 1.35 | 65 | 50 | |
| M20 | 2.50 | 17.00 | 1.35 | 65 | 50 |