RUKO Countersink DIN 335 C HSS TiAlN 90° 8.0mm

Machinists and metalworkers use the RUKO countersink to deburr and chamfer drilled holes in steel, stainless steel, cast iron, non-ferrous metals, and plastics. Its 90° cutting angle creates a conical recess for flat-head screws, ensuring a flush fit.

Key specifications

• Tool type: Countersink
• Standard: DIN 335 C
• Material: High-speed steel (HSS)
• Coating: Titanium aluminum nitride (TiAlN)
• Cutting angle: 90°
• Cutting diameter: 8.0 mm
• Shank diameter: 5.0 mm
• Overall length: 45 mm
• Number of flutes: 3
• Shank type: Cylindrical
• Direction of cut: Right-hand
• Manufacturing process: Ground from solid
• Application: Deburring, chamfering, countersinking
• Suitable materials: Steel, stainless steel, cast iron, non-ferrous metals, plastics
• Heat resistance: High
• Wear resistance: High
• Surface finish: Coated
• Product series: HSS-TiAlN Countersinks
• Packaging quantity: 1 piece
• Tool geometry: Conical

Why choose it

The TiAlN coating provides high heat and wear resistance, extending tool life and maintaining sharpness even in demanding applications. Ground from solid HSS ensures precision and consistent performance.

Ideal use cases

• Deburring drilled holes in metalworking shops
• Chamfering edges before tapping or assembly
• Countersinking flat-head screws in machine building

Good to know

DIN 335 C is a common standard for countersinks with a 90° angle, ensuring compatibility with standard screws. The cylindrical shank fits standard drill chucks.