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Diamond drill bit
Standards and parameters of C series drill bits
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Diamond drill bit
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Standards and parameters of C series drill bits | ||||||
NO. | Standard | Outer diameter (mm) | Inner diameter (mm) | K series carcass | X series carcass | S series carcass |
1 | AC | 47.6 | 27.6 | — | X11 | — |
2 | BC | 59.5 | 36.3 | — | X11 | S11 |
3 | NC | 75.3 | 47.6 | — | X9、X11 | S9、S11 |
4 | HC | 95.6 | 63.5 | — | X9、X11 | S9、S11 |
5 | PC | 122.0 | 85.0 | K7 | — | — |
6 | SC | 147.6 | 102.0 | K7 | — | — |
Standards and parameters of C2 series drill bits | ||||||
NO. | Standard | Outer diameter (mm) | Inner diameter (mm) | K series carcass | X series carcass | S series carcass |
1 | BC2 | 59.5 | 40.7 | — | X11 | — |
2 | NC2 | 75.3 | 50.8 | — | X9、X11 | — |
3 | HC2 | 95.6 | 66.0 | — | X9、X11 | — |
Standards and parameters of C3 series drill bits | ||||||
NO. | Standard | Outer diameter (mm) | Inner diameter (mm) | K series carcass | X series carcass | S series carcass |
1 | BC3 | 59.5 | 33.5 | — | X11 | — |
2 | NC3 | 75.3 | 45.0 | — | X9、X11 | — |
3 | HC3 | 95.6 | 61.1 | — | X9、X11 | — |
4 | PC3 | 122. 0 | 83.0 | K7 | — | — |
5 | NCTT | 75.3 | 45.0 | — | X9、 X11 | — |
6 | HCTT | 95.6 | 61.1 | — | X9、 X11 | — |
7 | PCTT | 122.0 | 83.0 | K7 | — | — |
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