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The Dormer P101 150° Countersink Carbide Burr is expertly designed for precision countersinking tasks, delivering exceptional performance and reliability in challenging materials. This countersink burr features a carbide-tipped design and a durable toughened steel shank, ensuring longevity and consistent results in demanding applications. With its 150° angle and single-cut flute style, it is optimised for creating accurate countersink locations on flattened surfaces, such as broken bolts, providing smooth finishes and precise results. Its medium-spaced edges enhance cutting efficiency, making it ideal for use on steel, cast steel, and stainless steels, including ferritic, martensitic, and austenitic grades. Features and Benefits • Ground finish to prevent work material from sticking to the the cutting edges • Part of a range of burrs designed to prepare the surface of broken bolts to improve drill location and prevent damaging the threaded hole and component. • Bolt removal burr that creates a centerpoint into the flanttened broken bolt. • Micrograin Carbide providing extreme hardness and wear resistance providing increased tool life when machining difficult materials Specifications • Diameter Cut: 4.9mm • Length Cut: 20mm • Shank Diameter: 6mm • Overall Length: 50mm • Burr Type Code: Bolt Removal Cut Geometry • Material Code: Solid Carbide • Coating: Bright • Material Application Priority Usage: M - Stainless steel, P - Steel and cast steel