Fully Ground HSS Twist Drill Cobalt 5%
Specifications
HSS twist drill bits:1.high hardness
2.fully ground
3.High temperature resistant
4.high quality with good service
Fully ground Hss twist drill bits:
1.Materials:M35 HSS Cobalt 5%
2.Surface treatment: polishing finish, amber, black Nitride ect.
3.Tchincs: fully ground
4.SPLIT POINT
5.Packing: Pvc+ paper box + export carton & others as per your request.
6.Quality:High hardness
7.Performance:High temperature resistant
8.Application:Drilling of stainless steel,making model, precision drilling.
And can be used for 5MM thick stainless steel drilling 5-15 holes, HRC25 following steel 20MM thick drilling 60 holes around ( more about thickness, hole number is smaller )
9.Certificate:ISO9001:2008
| Size | |||||
| 0.3-1.0 | 1.1-1.5 | 1.6-2.0 | 2.1-2.5 | 2.6-3.0 | 3.1-3.2 |
| 3.3-3.5 | 3.6-4.0 | 4.1-4.2 | 4.3-4.5 | 4.6-5.0 | 5.1-5.2 |
| 5.3-5.5 | 5.6-6.0 | 6.1-6.5 | 6.6-7.0 | 7.1-7.5 | 7.6-8.0 |
| 8.1-8.5 | 8.6-9.0 | 9.1-9.5 | 9.6-10.0 | 10.1-10.5 | 10.6-11.0 |
| 11.1-11.5 | 11.6-12.0 | 12.1-12.5 | 12.6-13.0 | ||
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