RUKO KES-DIN335-HSS-TiN-90°-7,0mm verzinkboor

Machine shops and metalworking professionals rely on this RUKO countersink for precise 90° chamfers and deburring in steel, stainless steel, and non-ferrous metals. The TiN-coated HSS body with three flutes delivers clean, chatter-free results in drill presses and hand drills.

Key specifications

• Tool type: Countersink
• Standard: DIN 335 C
• Countersink angle: 90°
• Nominal diameter: 7.0 mm
• Shank diameter: 5.0 mm
• Overall length: 45 mm
• Cutting length: 5.0 mm
• Material: High-Speed Steel (HSS)
• Coating: Titanium Nitride (TiN)
• Number of flutes: 3
• Shank type: Cylindrical
• Manufacturing process: Ground profile
• Cutting direction: Right-hand cutting

Why choose it

The TiN coating increases surface hardness and reduces friction, extending tool life when countersinking abrasive materials. The ground profile ensures consistent cutting geometry for repeatable hole quality.

Ideal use cases

• Deburring drilled holes in steel and stainless steel
• Chamfering edges before tapping or assembly
• Countersinking flat-head screws in cast iron and non-ferrous metals
• Preparing plastic components for flush fasteners

Good to know

Suitable for use in drill presses, hand drills, and machining centers. The cylindrical shank fits standard three-jaw chucks.