RUKO KES-DIN335-HSS-TiAlN-90°-Ø16.5mm Countersink Bit

Creating a clean, precise chamfer or countersink in metal can be challenging without the right tool. The RUKO KES-DIN335-HSS-TiAlN-90°-Ø16.5mm countersink bit solves that problem by delivering accurate 90° countersinks, chamfers, and deburring in a single pass. Its precision-ground high-speed steel body with a TiAlN coating ensures sharp cutting edges and long tool life, even in demanding materials.

Who is it for

This countersink bit is for machinists, metalworkers, and maintenance professionals who need consistent, high-quality countersinks in steel, stainless steel, cast iron, non-ferrous metals, and plastics. It fits standard cylindrical shank tool holders and is suitable for both manual and CNC applications.

Main features

• 90° cutting angle for standard countersunk screws
• 16.5 mm cutting diameter for medium to large holes
• High-speed steel (HSS) with TiAlN coating for heat and wear resistance
• Three flutes for smooth cutting and efficient chip removal
• Cylindrical shank (10 mm) for secure clamping
• Precision ground for accurate geometry

Specifications

• Tool Type: Countersink
• Standard: DIN 335 Form C
• Material: High-Speed Steel (HSS)
• Coating: Titanium Aluminum Nitride (TiAlN)
• Cutting Angle: 90°
• Cutting Diameter: 16.5 mm
• Shank Type: Cylindrical
• Shank Diameter: 10 mm
• Overall Length: 60 mm
• Number of Flutes: 3
• Application: Deburring, Chamfering, Countersinking
• Suitable Materials: Steel, Stainless Steel, Cast Iron, Non-Ferrous Metals, Plastics
• Manufacturing Process: Precision Ground
• Recommended Use: Universal

Tips

Use appropriate cutting fluid when countersinking tough materials to extend tool life. Ensure the workpiece is securely clamped to avoid vibration and achieve a clean finish.