This high-speed steel countersink bit is engineered for cleaning, enlarging, or countersinking holes with precision. Designed with a 4-flute configuration, it provides a smooth finish across a wide range of materials including steel, aluminum, wood, and plastic.

• High-speed steel construction for durability and long-lasting performance.
• 4-flute design optimized for countersinking centers and enlarging existing holes.
• Versatile 60-degree cutting angle suitable for a variety of applications.
• Provides a smooth, professional finish on multiple material types.
• Multi-material compatibility including aluminum, steel, wood, brass, and PVC.