4pcs/set Titanium Countersink Deburring Drill Bits

4pcs/set Titanium Countersink Deburring Drill Taper Hole Cutter Steel/Aluminum Countersunk Head Chamfering Tools 2-5-10-15-20   Specification: Material: stainless steel Surface: titanium coating Cut hole size: 2-5, 5-10, 10-15, 15-20mm  Used for workpiece circular aperture chamfering or cone hole, the edges on the surface of the chamfering processing.   Product Configuration: Specification Chamfering Range Shank Diameter Head Diameter 2-5 2-5mm 6mm 10mm 5-10 5-10mm 8mm 14mm 10-15 10-15mm 10mm 21mm 15-20 15-20mm 12mm 28mm   Feature: 1. Premium Material, made of stainless steel, durable. Wide Specifications, meet all your need. 2. O-shape and sharp cutter with titanium coating on the surface, easy to position, smooth to discha