The ColumPRO TiAlN Cobalt Single-End Countersink Chamfer Tool is built for clean, accurate countersinks after pre-drilling. Made from M35 cobalt high speed steel with a Titanium Aluminum Nitride (TiAlN) coating, it’s designed to stay tough under demanding cutting conditions and maintain long-term durability.
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Its 82-degree cutting angle is made for imperial screws to sit flush, while the center point helps with centering for consistent results. A spiral flute helps reduce chip clogging and improves chip ejection—useful when working in tougher materials such as stainless steel and other high-performance alloys.
Compatible with a range of drilling setups (including drilling machines, table drills, milling machines, and cordless drills), it’s a practical pick for machinists and DIY users alike. It also includes an individual storage case to keep the bit protected and easy to find.
M35 cobalt high speed steel with TiAlN coating for durability and heat resistance
82° cutting angle designed for imperial screws to sit in
Center point tip for accurate centering and cleaner starts
Spiral flute design helps eject chips and reduce clogging
Works with multiple tools: drill presses, milling machines, and cordless drills
Includes individual storage case for portability and safe storage
Key dimensions: 1/2″ cutting diameter (body diameter) with a 3/8″ round shank.
