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PDC coal mining drill bit
PDC coal mining drill bit,Mining Tool Expert
1.drill bitD:27-32mm
2.drill bit H:44-56mm
4.best rice, long use life
PDC coal mining drill bit
Introduction
PDC bit uses PDC as main cutting components,with the excellent wear-ability and impact toughness of the PDC. It has a useful life,high-efficiency, and good performance cost.
PDC bit is mainly used for drilling soft and medium formation, it work under low drilling pressure,midium-low speed ,big drainage.
Theory
PDC(polycrystalline diamond compact) drill bit is a new product after the hot-pressed and electroplated drill bit recent years. With special hith-frequency weldin techniques.PDC of high wear resistant si welded to the body as cutting edges.PDC bit is mainly used for geological prospecting,coal exploration,water conservancy and power engineering,etc.
Features
1. It has a super long life. The grinding/consumption ratio of PDC is 20-40 times that of tungsten carbide bit and 10 times that of diamond bit.
2. It had high drilling speed.
3. It can be operated with low pressure and low speed.
4. It has a good gage protection.
5. It can be used widely, more suitable for drilling in the straturn with formation
6. It has a low cost
Technical Parameter of PDC coal mining drill bit
Colliery Drilling Tools | Main Standard(mm) | |||
D | H | L | M | |
Thread joint | 27 | 44 | 17 | M14×1.5 |
27 | 54 | 17 | M12×1.75 | |
28 | 54 | 20 | M12×1.75 | |
29 | 52 | 18 | M14×1.5 | |
30 | 50 | 18 | M14×1.5 | |
32 | 52 | 22 | M14×1.5 | |
32 | 56 | 22 | M12×1.75 |
For more information please contact Rebecca
Mobile:0086-15038021235