RUKO KEB-HSS-Co5 Twist Drill Bit 22.0 mm DIN 338

With a 22.0 mm cutting diameter and a 5% cobalt-alloyed HSS body, this RUKO twist drill bit is built for demanding metal drilling up to 900 N/mm² tensile strength. The fully ground, bright-finished flutes and 118° point angle ensure precise centring and efficient chip evacuation in alloyed and unalloyed steel, cast iron, non-ferrous metals, and plastics.

Overview

The RUKO KEB-HSS-Mod.110-22,0mm (MPN 1000033777) is a general-purpose twist drill bit manufactured to DIN 338 with a cylindrical shank and right-hand cutting direction. Its HSS-Co5 material provides enhanced heat resistance and durability compared to standard HSS, making it suitable for continuous production drilling.

What stands out

• 5% cobalt alloy for high hot hardness and wear resistance
• Fully ground flutes for smooth chip flow and reduced friction
• Bright surface finish for corrosion resistance and clean cutting
• Type N helix angle suitable for a wide range of materials
• h8 shank tolerance ensures secure chuck grip

Technical details

• Cutting diameter: 22.0 mm
• Total length: 205 mm
• Flute length: 135 mm
• Point angle: 118°
• Shank type: Cylindrical (straight)
• Material: HSS-Co5
• Standard: DIN 338
• Number of flutes: 2
• Direction of cut: Right-hand
• Surface finish: Bright
• Tolerance: h8

Our verdict

A robust cobalt-alloyed drill bit for professionals who need reliable performance in tough steel and cast iron. The 22 mm diameter and long flute make it ideal for deep-hole drilling in workshops and industrial settings.