2015 Hot Sale High Quality rock drill cross bits
1.Tapered connection:4°. 6°. 7°. 11°. 12°.
2.Threaded connection:R22.R25.R28.R32.R38.T38.T45.T51.
3.Packing:wooden case or plastic box or as per your o...Liaocheng Jinquan Construction Machinery Co.,Ltd
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