Centering Degree Center Drills Countersink Review

【Usage】1. Center and spotting drills are traditionally used to make a conical hole for a lathe center in order to make a starting point for a standard twist drill,designed to prevent the twist drill from walking. 2. Used for work pieces with require machining between centers or producing center in components. 【Application】Quick cutting speed, and good chip removal. For precise center drilling in metals. Can be applicable to iron, steel, copper, aluminum and other processing. 【Double 60 degree End】Each bit has a double end and grinding at a standard 60 degree Angle. 【High Performance】Sharp and durable, accurate positioning, cutting edge clear. 【Exact Drilling Position】Preparation tool to maintain the exact drilling position. When rotating between the tips, the two end faces of the workpiece receive the corresponding centering bore.