This high-speed steel countersink bit is engineered for precision chambering, deburring, and enlarging holes. It delivers a smooth, professional finish across a wide range of materials including aluminum, steel, wood, and plastic.

• High-speed steel construction for enhanced durability and performance
• Single flute design is ideal for efficient chambering, deburring, and countersinking
• Versatile application for cleaning, enlarging, or countersinking holes
• Precision 100° cutting angle provides a smooth finish on various surfaces
• Compatible with multiple materials including aluminum, steel, wood, and brass