RUKO DIN 345 HSS moraakartio-spiraalipora 33,0 mm MT4

For machinists and metalworking professionals, the RUKO DIN 345 HSS twist drill bit with Morse taper shank delivers reliable drilling in steel, cast iron, and non-ferrous metals. The 33.0 mm cutting diameter and MT4 shank fit directly into machine spindles, ensuring a secure hold during heavy-duty operations.

Key specifications

• Cutting diameter: 33.0 mm
• Shank type: Morse Taper 4 (MT4)
• Material: HSS (High-Speed Steel)
• Standard: DIN 345
• Total length: 355 mm
• Flute length: 205 mm
• Point angle: 118°
• Surface finish: Bright
• Cutting direction: Right-hand cut
• Number of flutes: 2
• Tolerance: h8
• Manufacturing process: Ground from solid

Why choose it

This twist drill bit is ground from solid HSS for precise geometry and long tool life. The Morse taper shank provides a self-locking fit in the machine spindle, reducing slippage under high torque. Suitable for general-purpose drilling in metals and plastics.

Ideal use cases

• Drilling large holes in steel and cast iron
• Machining operations on lathes and milling machines
• Maintenance and repair workshops

Good to know

DIN 345 specifies dimensions for Morse taper shank twist drills with a cylindrical cutting part. The bright finish offers a clean surface and good chip evacuation. Always use appropriate cutting fluid for best results in steel.