RUKO SPB-DIN338-HSS-TiN spiraalboor 7/16 inch

For machinists and metalworkers who need a reliable general-purpose drill bit, the RUKO SPB-DIN338-HSS-TiN in 7/16 inch is a fully ground twist drill made from high-speed steel with a titanium nitride coating. It drills steel, cast iron, non-ferrous metals, and plastics with precision.

Key specifications

• Drill bit type: Twist drill bit
• Standard: DIN 338
• Material: High-speed steel (HSS)
• Coating: Titanium nitride (TiN)
• Diameter: 7/16 inch (11.11 mm)
• Overall length: 142 mm
• Flute length: 94 mm
• Shank type: Cylindrical
• Point angle: 118°
• Cutting direction: Right-hand
• Tolerance: h8
• Colour: Gold

Why choose it

The TiN coating increases surface hardness and heat resistance up to 600°C, extending tool life and allowing higher cutting speeds. The fully ground flute geometry ensures accurate hole sizing and efficient chip evacuation.

Ideal use cases

• Drilling steel and cast iron
• Working with non-ferrous metals
• Plastic fabrication
• Use in corded and cordless drills

Good to know

This drill bit conforms to DIN 338, ensuring consistent dimensions and performance. The h8 tolerance provides a precise fit in standard drill chucks.