Drill bit--Tungsten solid carbide step twist drill bit 1) High quality ,competitive price 2) High precision 3) the best mat
Drill bit--Tungsten solid carbide step twist drill bit
1) Our company end mills made by world lastest 5-Axis tools grinding machine. Guaranteed the product quality ,precision and performance
2) Each end mill is inspected by ZOLLER measuring and inspected machine
3) Material : kenmmetal ,sandvik,and CB carbide
5) Excellent performance in some sticky metals cutting
6) Non-standard types are accepted.
The sepcification is below:
| Order No. | Flute dia (d1) | Flute dia (d2) | Flute length ( l1 ) | Flute length ( l2 ) | Shank length(l3) | Shank dia (D) | Total length(L) |
| -034-66 | 3.4 | 4.5 | 11.4 | 28 | 36 | 6.0 | 66 |
| -043-66 | 4.3 | 6.0 | 13.6 | 28 | 36 | 6.0 | 66 |
| -050-79 | 5.0 | 7.0 | 16.5 | 41 | 36 | 8.0 | 79 |
| -069-89 | 6.9 | 9.5 | 21 | 47 | 40 | 10.0 | 89 |
| -087-102 | 8.7 | 12.0 | 25.5 | 55 | 45 | 12.0 | 102 |
| -104-107 | 10.4 | 14.0 | 30 | 60 | 45 | 14.0 | 107 |
| -1225-115 | 12.25 | 16.0 | 34.5 | 65 | 48 | 16.0 | 115 |
| -1425-123 | 14.25 | 18.0 | 38.5 | 73 | 48 | 18.0 | 123 |
number of flutes:2
Drill bit--Tungsten solid carbide step twist drill bit
