RUKO SPB-DIN345 45.0mm HSS-E Co 5 Morse Taper Shank Twist Drill Bit

This RUKO twist drill bit delivers a 45.0 mm diameter with a Morse Taper Shank (MT4) for secure tool holding in pillar drills, lathes, and milling machines. Made from HSS-E Co 5 high-speed steel with 5% cobalt, it withstands high thermal loads and is suitable for alloyed and unalloyed steel up to 1100 N/mm², cast iron, non-ferrous metals, and plastics.

Highlights

• Fully ground twist drill bit with right-hand cutting direction
• Morse Taper Shank MT4 for reliable torque transmission
• HSS-E Co 5 cobalt alloyed high-speed steel for high heat resistance
• Wide chip flutes and tapered web for efficient chip removal and stability
• DIN 345 standard, diameter 45.0 mm, total length 375 mm, flute length 215 mm

In daily use

The bright, uncoated surface reduces friction and allows easy resharpening. The 118° point angle is suitable for general-purpose drilling in a range of materials, while the h8 tolerance ensures precise hole dimensions.

Full specifications

• Drill bit type: Twist drill bit
• Shank type: Morse Taper Shank
• Standard: DIN 345
• Material: HSS-E Co 5 (High-Speed Steel with 5% Cobalt)
• Diameter: 45.0 mm
• Morse Taper Size: MT4
• Total Length (L1): 375 mm
• Flute Length (L2): 215 mm
• Point Angle: 118°
• Surface Finish: Bright (Uncoated)
• Cutting Direction: Right-hand cutting
• Manufacturing Process: Fully Ground
• Tolerance: h8
• Core Design: Tapered web for increased stability
• Chip Flute Design: Wide chip flutes for efficient chip removal
• Application Material: Alloyed and unalloyed steel, cast iron, non-ferrous metals, plastics
• Tensile Strength Compatibility: Up to 1100 N/mm²
• Recommended Machine Use: Pillar drills, lathes, milling machines, magnetic drills

Final note

Engineered for demanding drilling tasks, this RUKO drill bit combines precision grinding with cobalt-alloyed steel for long service life.