English (World wide)
Customers in North America, please click here.

Quick-change cutter type!
High-speed and high-precision drilling is possible with a minimal force.


  • The cutter can be changed with a single action.
  • Highly-improved carbide tip is used for the cutting teeth.
  • The carbide center pin ensures accurate hole starting without bit walk.
  • Circumferential cutting limits cutting areas, thus allowing large-bore cutting with electric drills of small horsepower.


  • Steel plates, shape steel plates, stainless steel plates, cast iron plates, etc. of up to 50mm thickness.
  • Ideal for drilling work for shipbuilding, bridge, frame, steel-frame building, etc.


Cutter size: ø18mm to 80mm
Max. drilling depth: 50mm
Number of tips: Cutters of ø18mm to 39mm --- 6pcs.
Cutters of ø40mm to 64mm --- 8pcs.
Cutters of ø65mm to 80mm --- 10pcs.
Tip width: 3.9mm
Applicable electric drill: Magnetic drill presses, upright drilling machines, radial drilling machines, lathes, and milling machines.

* Click here for the guideline for cutting conditions of Metal borers.