RUKO GmbH SPB-DIN345-49,5mm broca helicoidal HSS com haste cónica Morse

For machinists and metalworking professionals who need a large-diameter hole in tough materials, this RUKO twist drill bit delivers reliable performance. With a 49.5 mm cutting diameter and Morse taper shank, it fits directly into machine spindles for stable, high-torque drilling.

Key specifications

• Drill bit type: Twist drill bit
• Standard: DIN 345
• Material: HSS-G (high-speed steel, ground)
• Shank type: Morse taper shank, size MT5
• Diameter: 49.5 mm
• Overall length: 460 mm
• Flute length: 260 mm
• Point angle: 118°
• Tolerance: h8
• Surface finish: Bright
• Cutting direction: Right-hand cut
• Number of flutes: 2
• Manufacturing process: Ground from solid material

Why choose it

Ground from solid HSS, this bit offers high concentricity and long tool life. The Morse taper shank ensures secure clamping and efficient power transmission, reducing slippage during heavy cuts.

Ideal use cases

• Drilling large holes in steel and cast iron
• Working with non-ferrous metals and plastics
• Use on drill presses and radial drilling machines

Good to know

Designed for professional use, this bit is suitable for workshops and manufacturing environments where precision and durability are required.