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Made of high speed steel, heat treated hard efficient durable and safe. - details see: https://www.machineto.com/masonry-drill-bit-set-10148933

Eagle Tools has over ten yeas history of manufacturing the high-speed steel twist drill. We are specialized in producing 4241, 4341, 9341, 6542, M35, M42 high speed steel rolling drill and all rubbing drills. The factory has abundant technical force and advanced testing method.

We are professional and experienced manufacturer of drill bits. All the drill bits are made by our own factory, and would be checked by the quality inspecting workers. As for the package, there are several kinds of packing materials, such as plastic, hard paper, film, iron box, as well as wooden box. It is all at your service.

This style of steinbohrer masonry-drill bits are packed in in plastic bag, which contains