RUKO KEB-HSSCo 40 mm Quick-In kernboor

Professional metalworkers and fabricators rely on the RUKO KEB-HSSCo 40 mm Quick-In core drill bit for fast, precise annular cutting in steel, stainless steel, cast iron, non-ferrous metals, and plastics. Its 40 mm diameter and 30 mm cutting depth make it suitable for creating large holes in structural steel, plate, and pipe.

Key specifications

• Drill type: Core drill bit (annular cutter)
• Material: High-speed steel cobalt (HSS-Co) with 5% cobalt
• Diameter: 40 mm
• Shank system: Quick-In
• Cutting depth: 30 mm
• Number of cutting edges: 2
• Finish: Bright (uncoated)
• Manufacturing process: Precision ground
• Packaging quantity: 1 piece

Why choose it

The cobalt alloy enhances heat resistance and wear resistance, allowing the bit to maintain sharpness when drilling tough materials. The Quick-In shank enables fast tool changes on compatible magnetic drills and drill presses, reducing downtime.

Ideal use cases

• Drilling large-diameter holes in steel beams and plates
• Creating openings for pipes and conduits in metal structures
• Fabrication work in workshops and on construction sites

Good to know

This core drill bit is designed for professional use with Quick-In compatible machines. It is sold individually and is part of the RUKO Quick-In system.