CryoTool® Cryobit #9 Maintenance Drill Bit

The CryoTool drill bits are designed for superior performance across a wide range of shop metals. Their Cryophase™ process enhances durability and flexibility, extending the bit's life even in challenging conditions. Features a hardness of 64-66Rc, temperature resistance up to 1100°F (versus 600°F for conventional bits), and high-speed steel construction. The bit features a superheated gold oxide coating with a black oxide relief edge, and is heat-treated through a twice-austempered process. Cryophase™ thermal cycling cryogenic treatment further improves performance and durability.