Cutting tool・tooling

NAKASEIKI

2-Step Half-Moon Drill (2段半月キリ)
🔹 Function: Drills stepped holes with two different diameters in a single operation.
🔹 Application: Ideal for creating counterbored holes for bolts, pins, or guide bushings.
🛠️ Fast Drilling – High Precision
Performs two-step drilling in one pass, reducing production time.
Made from ultra-hard alloy for excellent wear resistance and long-lasting sharpness.
Micron-level accuracy ensures consistent dimensions across components.
Diamond-polished surface (#2000 grit) minimizes friction and reduces edge chipping.
🧰 Flexible Manufacturing
Standard models available, with custom production upon request.
Guaranteed high quality and on-time delivery.