Shandong Jinbaoshan Machinery Co.,Ltd is selling this:

Other Powerful Drilling Bits Chisel Bits Made In China

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Introduction of chisel bits:
1.Chisel bit is also namely wind bit for rock drill (drill) machine. Chisel bit includes a cutter bar, tool rod has a sophisticated, cutting-edge, there are two parts of the main plane on a cutting blade. A kind of concrete, such as drilling, soothe drilling condition of sudden change, make the drilling operation is stable, even when you produce large chip, it won’t reduce the efficiency of drillingbit.Different diameters and taper degrees are available to suit different applications in mining, quarrying etc. We can supply long skirt and short skirt Tapered Chisel Bits.
2.No matter what kinds of rock:Soft rock, loose medium rock, hard rock and any other special formations.We can also do according to customers' drawing or sample.
1. Bit: chisel bits for drilling machine
2. Diameter: 32mm – 42mm
3. Taper: 7 degree
4. Bottom Hole: 22mm, 25mm
5. Bit Body: Short skirt and Long skirt.
http://www.rockymac.en.alibaba.com