【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. 【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. 【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. 【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.
High Performance The centering drill bit set is made of high quality meterial, strong and durable, sharp and durable, accurate positioning, cutting edge clear, with a long service life. Read more Usage 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.Used for work pieces with require machining between centers or producing center in components. Read more Double 60 degree End Each bit has a double end and grinding at a standard 60 degree Angle, can bring you more convenience. 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. 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. Read more Specifications: No Body diameter Drill tip diameter #1 4mm 1mm #2 4mm 1.5mm #3 5mm 2mm #4 6mm 2.5mm #5 8mm 3mm #6 12mm 5mm Note: Due to manual measurement, may exist 1-3mm error, please understand, thank you! Quantity: 6 PCS Product specification: 1.0mm, 1.5mm, 2mm, 2.5mm, 3mm, 5mm Specific : as the picture Weight: 60g Read more