RUKO DIN 338 HSS-TiN Twist Drill Bit 12.1 mm

For metalworking professionals and demanding DIYers who need clean, accurate holes in tough materials, the RUKO DIN 338 HSS-TiN Twist Drill Bit with 12.1 mm diameter delivers reliable performance. Its titanium nitride coating reduces friction and increases surface hardness, making it ideal for steel, cast iron, non-ferrous metals, and plastics.

Key specifications

• Drill bit type: Twist drill bit
• Material: High-speed steel (HSS)
• Coating: Titanium nitride (TiN)
• Standard: DIN 338
• Diameter: 12.1 mm
• Shank type: Cylindrical
• Point angle: 118°
• Cutting direction: Right-hand cutting
• Tolerance: h8
• Total length: 151 mm
• Working length (flute length): 101 mm
• Manufacturing process: Ground from solid
• Recommended application: Steel, cast iron, non-ferrous metals, plastics
• Coating properties: Increased surface hardness, reduced friction, improved wear resistance
• Heat resistance: Enhanced
• Chip evacuation: Good
• Packaging quantity: 1 piece

Why choose it

The TiN coating extends tool life and allows higher cutting speeds, while the ground-from-solid construction ensures precision and durability. The 118° point angle is suitable for a wide range of materials, and the cylindrical shank fits standard drill chucks.

Ideal use cases

• Drilling precise holes in steel and cast iron
• Working with non-ferrous metals like aluminium and brass
• Creating holes in hard plastics
• General workshop and maintenance tasks

Good to know

This drill bit complies with DIN 338, ensuring consistent quality and dimensions. It is sold individually, so you can replace only what you need.