RUKO STB-HSS-TiN-SP-Gr.9-6.0-37.0mm Twist Drill Bit 6.0 mm

Professional machinists and metalworkers rely on this RUKO twist drill bit for precise, efficient drilling in steel, cast iron, and non-ferrous metals. With a 6.0 mm diameter and a TiN coating, it delivers clean holes and long tool life in demanding workshop environments.

Key specifications

• Drill bit type: Twist drill bit
• Diameter: 6.0 mm
• Total length: 93 mm
• Flute length: 57 mm
• Material: High-speed steel (HSS)
• Coating: Titanium nitride (TiN)
• Point angle: 118°
• Point type: Split point (self-centering)
• Cutting direction: Right-hand
• Shank type: Cylindrical
• Standard: DIN 338
• Series: Type N (normal helix)
• Tolerance: h8
• Manufacturing process: Ground from solid

Why choose it

The TiN coating reduces friction and heat buildup, allowing higher cutting speeds and extending tool life. The split point design eliminates walking and reduces thrust pressure, making it ideal for accurate, on-the-spot drilling without center punching.

Ideal use cases

• General purpose drilling in steel and cast iron
• Drilling non-ferrous metals such as aluminum and brass
• Workshop and maintenance tasks requiring precision and durability

Good to know

Manufactured to DIN 338 standards, this drill bit offers consistent quality and reliable performance. The h8 tolerance ensures a precise fit in standard drill chucks.