RUKO SPB-DIN338-HSSCo8-TiAlN-Ø3,1mm kierrepora

Machinists and metalworkers rely on the RUKO SPB-DIN338 twist drill bit for precise holes in tough alloys. With a 3.1 mm diameter and TiAlN coating, it handles high-alloy steels, stainless steel, and titanium with reduced wear and heat buildup.

Key specifications

• Drill bit type: Twist drill bit
• Standard: DIN 338
• Material: HSS-Co8 (8% cobalt high-speed steel)
• Coating: TiAlN (Titanium Aluminum Nitride)
• Diameter: 3.1 mm
• Shank type: Cylindrical
• Shank diameter: 3.1 mm
• Overall length: 65 mm
• Flute length: 36 mm
• Point angle: 135°
• Point type: Split point (self-centering)
• Tolerance: h8
• Cutting direction: Right-hand cutting
• Coolant supply: External
• Packaging unit: Single drill bit

Why choose it

The TiAlN coating provides high hardness and heat resistance, extending tool life in demanding applications. The split point design ensures accurate starting and reduces walking on the workpiece.

Ideal use cases

• Drilling high-alloy steels and stainless steel
• Machining cast iron and titanium alloys
• Precision work in metalworking shops

Good to know

Designed for right-hand rotation and external coolant supply. Suitable for use in drill presses and CNC machines with appropriate clamping.