Coal drill bit
USD $1 - $50 /Piece
Min.Order:100 Pieces
Henan Zhongmei Drill Tool Co., Ltd.
Coal Drill Bit
Applications:
Apply to the ancher-network support hole drilling in coal mine, hydraulic project,etc.
Characteristics:
1. High wear resistance and impact-resistanct toughness;
2 to repeat repair &greaning are not necessary; long drill life;
3 high efficiency could be promoted sharply in penetration of high-medium hard rock formation;
4 labour intensity could be reduced.