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Coal drill bit 03

Coal drill bit

Coal drill bits
Detailed product introduction:
Bit is one of the list of products promoted by the coal ministry. In terms of hardness, it can be divided into two categories, I is suitable for drilling soft rock, II is suitable for drilling hard rock. It also can be divided into dry type and wet type two kinds. Dry type does not supply dust suppression water in the drilling process, that is to say, no water supply channel in the drill bit body. Wet type supplies dust suppression water during the drilling process, there is a water supply channel in the drill bit body.
Specification: Ф28/2、Ф32/2、Ф42/2.
Features: fast drilling speed, a wide range of drilling, saving time and effort, simple connection, durable and excellent.

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