RUKO kartio-upotuspora DIN 335 C HSS TiAlN 90° 31,0 mm

Machinists and metalworkers use this 31.0 mm countersink to create precise 90° chamfers in steel, stainless steel, cast iron, and non-ferrous metals. The three-flute design with TiAlN coating handles high-heat conditions when countersinking, deburring, or chamfering on CNC machines or drill presses.

Key specifications

• Tool type: Countersink
• Standard: DIN 335 C
• Material: High-Speed Steel (HSS)
• Coating: Titanium Aluminum Nitride (TiAlN)
• Countersink angle: 90°
• Cutting diameter: 31.0 mm
• Shank type: Cylindrical shank
• Number of flutes: 3
• Cutting direction: Right-hand cut
• Manufacturing process: Precision ground
• Tool holder compatibility: Drill chucks, collet chucks
• Heat resistance: High
• Wear resistance: Excellent

Why choose it

The TiAlN coating provides high heat resistance and excellent wear resistance, extending tool life in demanding applications. Precision grinding ensures accurate and repeatable countersinks.

Ideal use cases

• Countersinking holes for flat-head screws in metal components
• Deburring drilled holes to remove sharp edges
• Chamfering edges for aesthetic or functional purposes

Good to know

Coolant is recommended for optimal performance and tool life, but the tool can be used dry in some applications.