5pcs Center Drill Bit Double Ended Drill Bit 60 Degree 1.5/2.0/2.5/3.0/4.0mm

General description Center drills are essential tools in metalworking, designed to create a tapered hole for a lathe center, providing a precise starting point for standard twist drills. This set includes five double-ended center drill bits, each ground to a standard 60-degree included angle, making them ideal for producing center supports in components or workpieces that require machining between centers. Technical specifications Material: High-Speed Steel (HSS) Applicable hardness: HRC 40 or less Included angle: 60 degrees Sizes included: 1.5mm, 2.0mm, 2.5mm, 3.0mm, 4.0mm Usage Creates a starting hole for larger drill bits Forms a tapered indentation at the end of a workpiece for mounting a lathe center Widely used on lathe machines for efficient cutting and smooth chip removal