RUKO SPB-DIN338-HSS-TiN Twist Drill Bit 6.25 mm

For machinists and metalworkers drilling precise holes in alloyed steel or cast iron, the RUKO SPB-DIN338-HSS-TiN twist drill bit delivers reliable performance. Its 6.25 mm diameter and DIN 338 geometry suit general-purpose drilling in workshops and on-site.

Key specifications

• Drill bit type: Twist drill bit
• Standard: DIN 338
• Material: High-speed steel (HSS)
• Coating: Titanium nitride (TiN)
• Diameter: 6.25 mm
• Shank type: Cylindrical
• Point angle: 118°
• Cutting direction: Right-hand cut
• Overall length: 101 mm
• Flute length: 63 mm
• Tolerance: h8
• Manufacturing method: Ground from solid
• Recommended materials: Alloyed and unalloyed steel, cast iron, non-ferrous metals, plastics
• Colour: Gold (TiN)
• Features: Enhanced wear resistance, reduced friction, improved heat resistance
• Packaging: Single piece
• Application: General purpose drilling
• Coating hardness (approx.): 2300 HV
• Max. working temperature (coating approx.): 600°C

Why choose it

The TiN coating reduces friction and improves heat resistance, extending tool life when drilling abrasive materials. The ground-from-solid HSS body provides consistent accuracy and a clean finish.

Ideal use cases

• Drilling alloyed and unalloyed steel
• Working with cast iron components
• Creating holes in non-ferrous metals and plastics

Good to know

This drill bit is manufactured to DIN 338 specifications, ensuring compatibility with standard drill chucks and collets. The cylindrical shank fits most handheld drills and machine spindles.