ColumPRO Countersink Chamfer Tool Set - M35 Cobalt 3PCS 2-5MM 10-15MM 15-20MM

【Premium Quality】Crafted from M35 Cobalt High Speed Steel with cobalt TiAlN coating, our countersink drill bits boast unparalleled toughness, high temperature threshold and long-term durability, delivering consistently exceptional results. 【Impressive Performance】Used after pre-drilling for screws or deburring holes as well as chamfering the edge of a part, they cut cleanly and are chatter-free. The cone tip assures accurate centering, also the enlarged spiral flute prevents chips from clogging and ejects chips rapidly. Designed to handle tough materials like stainless steel and other high-performance alloys. 【Versatile Application】Our drill bits are compatible for use with a range of drilling machines, table drills, milling machines, cordless drills and impact drivers. Perfect for machinists, DIY enthusiasts and homeowners. 【Portable & Convenient】Our countersink chamfer tools come with individual storage cases for easy portability. Say goodbye to lost bits and restless searches for the right tool. 【Comprehensive Set】This set includes 3 drill bits in varying sizes, with each of the 2-5MM, 10-15MM and 15-20MM countersink chamfer tools included, providing you with a complete package for all your drilling needs.