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YONGDUN is a manufacturer specialized in producing fashion, newest, advanced, durable, easy-maintainable, classy and quality used for drilling in coal mine construction engineering pneumatic coal borer, welcome to buy discount, and latest design fancy coal mine drilling rig, coal construction drilling rig from our factory. We can offer you products warranty and a reasonable price.
ZQs-20/1.8 Pneumatic Coal Borer
applying：
1、ZQ - 20/1.8 pneumatic explosion proof secure coal borer is used for boring coal bed and soft sandstone, etc in coal mine and construction engineering.
technical data：
Depth of borer/Diameter: Φ35-Φ42mm
Air pressure: 0.50Mpa
Rotate speed without load: 1800r/min
Rotate speed with load: 900r/min
Air consumption with load: 46L/S
Hose size: Φ19mm
Weight: 8kg
It is used our pressure: 0.50Mpa