Steel drill bits

The drill bits listed below are the most commonly used. For wood: these types of drill bits can be used on any wood, whether it is softwood, hardwood, veneer or plywood. For metal: these drill bits are used to drill any kind of metal. When it comes to drill bits for metal, inserts are only used for machine tools. Drill bits for masonry: these steel drill bits have a brazed tungsten carbide tip. For tile and glass: these drills bits look like small spears....