Broca curta RUKO SPB-DIN1897-HSS-TiN-Ø11,5mm

For machinists and metalworkers who need a short, rigid drill for precise hole positioning in tight setups, the RUKO SPB-DIN1897-HSS-TiN stub drill bit with 11.5 mm diameter delivers reliable performance. Its compact design reduces deflection, making it ideal for drilling accurate holes in steel, cast iron, non-ferrous metals, and plastics.

Key specifications

• Drill bit type: Stub drill bit
• Standard: DIN 1897
• Material: High-speed steel (HSS)
• Coating: Titanium nitride (TiN)
• Diameter: 11.5 mm
• Shank type: Cylindrical
• Point angle: 118°
• Cutting direction: Right-hand cutting
• Overall length: 94 mm
• Flute length: 56 mm
• Tolerance: h8
• Colour: Gold

Why choose it

The TiN coating increases surface hardness to approximately 2300 HV and provides heat resistance up to 600°C, extending tool life and reducing friction during drilling.

Ideal use cases

• Drilling precise holes in metal components
• General purpose drilling in steel and cast iron
• Working with non-ferrous metals and plastics

Good to know

Manufactured by grinding from solid HSS, this stub drill bit offers high rigidity and accuracy for demanding workshop applications.