RUKO SPB-DIN338-HSSCo8-TiAlN-Ø1,7mm kierrepora

With a 135° split point and TiAlN coating, this RUKO twist drill bit delivers precise starts and high wear resistance in tough materials up to 1200 N/mm².

Overview

The RUKO SPB-DIN338-HSSCo8-TiAlN-Ø1.7mm is a high-performance twist drill bit engineered for industrial and workshop applications. Manufactured to DIN 338 standards, it features a 1.7 mm cutting diameter, HSS-Co 8% cobalt steel construction, and a TiAlN coating that provides excellent heat resistance and extended tool life.

What stands out

• 135° split point for accurate centering and reduced walking
• TiAlN coating for high heat resistance and wear protection
• HSS-Co 8% cobalt steel for drilling hard materials
• Right-hand cutting with h8 shank tolerance
• Ground from solid for consistent quality

Technical details

• Drill bit type: Twist drill bit
• Standard: DIN 338
• Material: HSS-Co 8% (high-speed steel with 8% cobalt)
• Coating: TiAlN (titanium aluminum nitride)
• Cutting diameter: 1.7 mm
• Shank diameter: 1.7 mm
• Overall length: 46 mm
• Working length: 20 mm
• Point angle: 135°
• Point type: Split point (cross-ground)
• Flute type: Right-hand cutting
• Tolerance: h8
• Recommended material hardness: Up to 1200 N/mm²
• Suitable materials: Alloyed and unalloyed steel, stainless steel, cast iron, non-ferrous metals, plastics
• Heat resistance: Very high
• Wear resistance: Excellent
• Application: Industrial drilling, workshop use
• Coolant recommendation: Can be used dry or with minimal coolant
• Manufacturing process: Ground from solid
• Colour: Bronze/grey

Our verdict

This RUKO drill bit is a reliable choice for precision drilling in demanding materials, combining cobalt steel toughness with a high-performance coating.