Publish Time: 2022-02-19 Origin: Site
High quality rock button bit from Zhuzhou Jinxin
Zhuzhou jinxin manufactured rock button bit,DTH drill bits,different types drill bits for your choose.
Rock button bit is one of the hot sale product,special tungsten carbide insert for very hard rock formation,different taper type 7°,11°,12° for your choose.Diameter from 30mm to 42mm,most of the size we have in stock,support sample order to test our quality,large order normmaly can be finished within 15-20days.
One more,the rock button bit from Zhuzhou jinxin are baking painting,it's looks very beautiful.