RUKO SPB-DIN345-46.0mm-HSS Morse Taper Shank Twist Drill Bit for Metal

Drilling large-diameter holes in tough metals like high-alloy steel, stainless steel, and cast iron demands a drill bit that can withstand extreme heat and stress. The RUKO SPB-DIN345-46.0mm-HSS twist drill bit is built for exactly that challenge, delivering reliable performance in industrial metalworking applications.

Who is it for

Professional machinists, metal fabricators, and industrial workshops that need a robust, large-diameter drill bit for hard-to-machine materials. It is ideal for use in radial drills, pillar drills, and machining centers with a Morse taper spindle.

Main features

• 46.0 mm diameter with Morse Taper MT5 shank for secure, high-torque mounting
• Made from HSS-E Co5 high-speed steel with 5% cobalt for superior heat resistance and durability
• Fully ground with bright finish for precise cutting edges and smooth chip evacuation
• Right-hand cutting with 130° point angle optimized for tough metals
• Conforms to DIN 345 standard for consistent quality and interchangeability

Specifications

• Drill diameter: 46.0 mm
• Overall length: 345 mm
• Flute length: 205 mm
• Shank type: Morse Taper MT5
• Material: HSS-E Co5
• Point angle: 130°
• Cutting direction: Right-hand
• Surface finish: Bright (uncoated)
• Tolerance: h8
• Number of flutes: 2

Tips

Use a suitable cutting fluid and appropriate feed rate to maximize tool life. Ensure the Morse taper socket is clean before mounting to prevent slippage.