RUKO FLS-DIN373-HSS-TiN-M-3x záhlbník

This spot facing cutter (counterbore) is engineered for creating flat-bottomed recesses for M3 screw heads, washers, and nuts. Its TiN coating delivers high wear resistance and heat resistance up to 600°C, ensuring long tool life even in demanding applications.

Advantages

High-speed steel body with titanium nitride coating provides superior hardness and reduced friction. Three flutes ensure efficient chip evacuation, while the cylindrical shank fits standard drill chucks. Suitable for steel, cast iron, non-ferrous metals, and plastics.

Suitable for

• Spot facing and counterboring M3 screw holes
• Machining steel, cast iron, non-ferrous metals, and plastics
• Creating flat-bottomed holes for washers and nuts

Key specifications

• Standard: DIN 373
• Material: High-Speed Steel (HSS)
• Coating: Titanium Nitride (TiN)
• Pilot diameter: 3.4 mm
• Counterbore diameter: 6.0 mm
• Shank diameter: 6.0 mm
• Overall length: 45 mm
• Number of flutes: 3
• Cutting direction: Right-hand
• Pilot hole tolerance: H7

Recommendations

Use with a suitable pilot drill for precise alignment. Apply cutting fluid for optimal performance on hard materials.