RUKO SPB-DIN345-HSSCo-Ø15,5mm kierrepora Morsekartiovarrellla, HSS-Co 5 %, DIN 345, MT2, 198 mm pituus

Precision-ground from solid HSS-Co with 5% cobalt, this RUKO DIN 345 twist drill delivers high heat and wear resistance for demanding metalworking. The 15.5 mm diameter and Morse Taper Shank MT2 ensure secure, concentric mounting in machine spindles.

Overview

The RUKO SPB-DIN345-HSSCo-Ø15.5mm is a heavy-duty twist drill engineered for alloyed and unalloyed steel up to 1000 N/mm² tensile strength, cast steel, grey cast iron, malleable cast iron, sintered iron, nickel silver, graphite, non-ferrous metals, and plastics. Its bright surface finish reduces chip adhesion, while the 118° point angle provides accurate centering and efficient cutting.

What stands out

• High cobalt content (5%) for superior hot hardness and wear resistance
• Morse taper shank MT2 for direct mounting in drill presses and lathes
• Ground from solid for precise geometry and long tool life
• Right-hand cutting with standard spiral flute for reliable chip evacuation
• DIN 345 compliance ensures consistent dimensions and performance

Technical details

• Drill Bit Type: Morse Taper Shank Twist Drill
• Standard: DIN 345
• Material: HSS-Co (High-Speed Steel with Cobalt)
• Cobalt Content: 5%
• Diameter: 15.5 mm
• Shank Type: Morse Taper Shank
• Morse Taper Size: MT2
• Point Angle: 118°
• Surface Finish: Bright
• Flute Type: Standard Spiral Flute
• Overall Length (L1): 198 mm
• Flute Length (L2): 125 mm
• Cutting Direction: Right-hand cutting
• Tolerance: h8
• Manufacturing Process: Ground from solid

Our verdict

Built for precision and endurance, this RUKO drill is a reliable choice for professional workshops machining tough steels and cast materials.