RUKO SPB-DIN338-HSS-TiN σπειροειδές τρυπάνι 10,3 mm

Drilling precise holes in tough materials like steel and cast iron demands a bit that stays sharp and centered. The RUKO SPB-DIN338-HSS-TiN twist drill bit solves this with a titanium nitride coating that reduces friction and heat, extending tool life and improving hole quality.

Who is it for

This drill bit is for metalworkers, machinists, and serious DIYers who need reliable performance in steel up to 900 N/mm², cast iron, non-ferrous metals, and plastics.

Main features

• TiN coating for reduced wear and improved chip flow
• DIN 338 standard for consistent geometry
• Ground from solid HSS for strength and accuracy
• 118° point angle for general-purpose drilling
• Right-hand cutting, cylindrical shank

Specifications

• Diameter: 10.3 mm
• Total length: 133 mm
• Flute length: 87 mm
• Material: High-speed steel (HSS)
• Coating: Titanium nitride (TiN)
• Shank type: Cylindrical
• Point angle: 118°
• Tolerance: h8
• Cutting direction: Right-hand
• Manufacturing process: Ground from solid

Tips

Use cutting fluid when drilling steel to maximize bit life. For best results, start with a center punch to prevent walking.