RUKO SPB-DIN338-HSSCo8-TiAlN Ø8.0 mm Twist Drill Bit

Professional machinists and metalworkers rely on this RUKO twist drill bit for precise holes in tough materials like stainless steel and titanium alloys. The 8.0 mm diameter with DIN 338 standard geometry ensures accurate drilling in industrial workshops.

Key specifications

• Drill bit type: Twist drill bit
• Standard: DIN 338
• Material: HSS-Co 8% (High-Speed Steel with 8% Cobalt)
• Coating: TiAlN (Titanium Aluminum Nitride)
• Diameter: 8.0 mm
• Shank type: Cylindrical
• Shank diameter: 8.0 mm
• Point angle: 130°
• Flute type: Type N (Normal Helix Angle)
• Cutting direction: Right-hand cutting
• Overall length: 117 mm
• Working length (flute length): 75 mm
• Tolerance: h8
• Manufacturing process: Ground from solid
• Recommended materials: High-alloy steels, Stainless steel, Cast iron, Bronze, Titanium alloys
• Heat resistance: Up to 600°C
• Hardness: Approx. 66-68 HRC
• Colour: Bronze/Anthracite
• Application: Industrial, Professional
• Packaging quantity: 1 piece

Why choose it

The TiAlN coating provides excellent wear resistance and allows drilling at high temperatures without coolant, making it suitable for demanding applications. The cobalt alloyed steel maintains hardness even at elevated temperatures, ensuring long tool life.

Ideal use cases

• Drilling high-alloy steels and stainless steel in machine shops
• Creating precise holes in cast iron and bronze components
• Working with titanium alloys in aerospace or medical manufacturing
• Professional use where consistent quality and durability are required

Good to know

This drill bit is ground from solid HSS-Co 8% material, providing high concentricity and stability. The 130° point angle is optimized for hard materials, reducing walking and improving hole quality.