RUKO SPB-DIN345-42.5mm-HSS Morse Taper Drill Bit, MK4, HSS-E Co5, 42.5 mm

With a 42.5 mm diameter and a robust Morse Taper shank, this RUKO drill bit tackles demanding drilling in tough materials. The HSS-E Co5 cobalt alloy and fully ground flutes deliver precision and durability.

Overview

The RUKO SPB-DIN345-42.5mm-HSS is a Morse taper drill bit designed for heavy-duty drilling. It conforms to DIN 345 and features a 42.5 mm diameter with an MK4 shank. The bit is made from HSS-E Co5 high-speed steel containing 5% cobalt, which enhances heat resistance and wear resistance. The bright finish and fully ground construction ensure smooth chip evacuation and accurate holes.

What stands out

• 42.5 mm diameter for large hole drilling
• Morse Taper MK4 shank for secure tool holding
• HSS-E Co5 material with 5% cobalt for high performance
• Fully ground spiral flutes for efficient chip removal
• Right-hand cutting direction

Technical details

• Drill Bit Type: Morse Taper Drill Bit
• Material: HSS-E Co5 (High-Speed Steel with 5% Cobalt)
• Standard: DIN 345
• Diameter: 42.5 mm
• Shank Type: Morse Taper (MK)
• Morse Taper Size: MK4
• Overall Length (l1): 385 mm
• Working Length (l2): 215 mm
• Point Angle: 130°
• Surface Finish: Bright
• Manufacturing Process: Fully Ground
• Tolerance: h8
• Cutting Direction: Right-hand cutting
• Application: For drilling in alloyed and unalloyed steel, cast iron, non-ferrous metals, and plastics, especially tough materials.
• Recommended Material Hardness: Up to 1100 N/mm²
• Flute Type: Spiral Flute
• Cobalt Content: 5%
• Core Thickness: Reinforced
• Web Taper: Standard
• Packaging Quantity: 1 piece

Our verdict

A professional-grade Morse taper drill bit for large diameter holes in tough materials. The cobalt alloy and precise grinding ensure long tool life and accurate drilling.