RUKO SPB-DIN345-25.0mm-HSS Morse Taper Shank Drill Bit

Machinists and metalworking professionals rely on the RUKO SPB-DIN345-25.0mm-HSS for precise, large-diameter drilling in tough materials. This Morse taper shank drill bit is engineered for stability and accuracy in stationary drilling machines and lathes, making it a dependable choice for demanding workshop environments.

Key specifications

• Drill Bit Type: Morse Taper Shank Drill Bit
• Material: HSS-E (High-Speed Steel with Cobalt)
• Standard: DIN 345
• Diameter: 25.0 mm
• Shank Type: Morse Taper
• Morse Taper Size: MT3 (MK3)
• Overall Length: 285 mm
• Flute Length: 160 mm
• Point Angle: 118°
• Surface Finish: Bright (Uncoated)
• Manufacturing Process: Ground from solid
• Cutting Direction: Right-hand cut
• Tolerance: h8
• Cobalt Content: 5%
• Core Design: Tapered web for increased stability
• Flute Type: Spiral Flute
• Series: Ruko 204 Series

Why choose it

The tapered web core enhances rigidity, reducing deflection during deep-hole drilling and improving hole quality. The cobalt-enriched HSS-E material withstands high temperatures, extending tool life when working with alloyed steels and cast iron.

Ideal use cases

• Drilling large-diameter holes in alloyed and unalloyed steel
• Machining cast steel, grey cast iron, and malleable cast iron
• Working with non-ferrous metals and plastics
• Use in stationary drilling machines and lathes with Morse taper spindles

Good to know

This drill bit is manufactured to DIN 345 standards, ensuring compatibility with Morse taper tool holders. The bright finish provides a clean surface for chip evacuation, while the right-hand cutting direction suits standard machine rotation.