Street Address: No. 11, North Of Kaiyuan Road, High-tech Zone
City: Jining
Province: Shandong
Country/Region: China
CHINA COAL
The Rock Button Taper Bits The Rock Button Taper Bits are made from grade hard alloy and special steel, generally matched with the light-duty rock drill, to drill the rock hole within diameter of 50mm. The drill tools are used in metallurgy mine, geological exploration, water conservancy construction, electricity, traffic, tunnel, quarry, national defence stone project etc,.