Products Description
Coal drill bits are divided into two types: dry and wet.
The drill bit body adopts various production and processing techniques such as precision casting, precision calcination, and cutting of medium carbon alloy steel, which are suitable for different types of drill bits and different drilling operation conditions.
Products information
- Material: medium carbon alloy steel
- Model: 28#, 30#, 32#
- In terms of hardness, Type I is suitable for drilling in soft rocks, while Type II is suitable for drilling in hard and hard rocks
- Advantage: Fast drilling speed, wide drilling range, time-saving, labor-saving, simple connection method, and durable
Products application
Products packaging
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