RUKO SPB-DIN1897-HSS-TiN-Ø12,5mm κοντό τρυπάνι

Stub drill bit for precise, rigid drilling in thin materials. The short design and TiN coating provide high stability and wear resistance.

Advantages

Titanium nitride coating reduces friction and increases surface hardness for longer tool life. Fully ground flutes ensure accurate hole quality and efficient chip removal.

Suitable for

• Steel
• Cast iron
• Non-ferrous metals
• Plastics

Key specifications

• Drill bit type: Stub drill bit
• Standard: DIN 1897
• Material: High-speed steel (HSS)
• Coating: Titanium nitride (TiN)
• Drill diameter: 12.5 mm
• Overall length: 92 mm
• Flute length: 57 mm
• Shank type: Cylindrical
• Shank diameter: 12.5 mm
• Point angle: 118°
• Cutting direction: Right-hand
• Tolerance: h8
• Manufacturing process: Fully ground
• Core hardness: 63-66 HRC
• Surface hardness: 2300 HV

Recommendations

Use with a suitable drill chuck and appropriate cutting speed for the material. Apply cutting fluid when drilling metals to extend tool life.