1.Choose the kind of bit based on the material you will be drilling through. Steel bits are the least expensive and are generally OK for soft woods. From there bits range up to cobalt, for drilling...
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"""Sincerity, Innovation, Rigorousness, and Efficiency"" is the persistent conception of our company for the long-term to develop together with customers for mutual reciprocity and mutual benefit for Hammer Drill Bits , Taper Hammer Drill Bits , Spline Hammer Drill Bit , We will supply much better goods with diversified designs and qualified services. At the same time welcome OEM ODM orders invite friends at home and abroad together common development and achieve win-win integrity innovation and expand business opportunities! If you have any question or will need more information remember to feel free to contact us. We've been looking forward to receiving your enquiries soon.