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PDC sizes:1005/1304/1308
Common drill bit sizes: 28mm- 45 mm
Drill bit connection thread: M14*1.5, M14*2.0, M16*2.0, B19
PDC bolt bits are used in coal mines and tunnels
Product Information:
1. wear resistance
2. high efficiency
3. long service life
4. direct selling with reasonable price
5. MOQ: 1pcs for checking the quality
6.customized order is available
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