Makita D-46442 Straight Flute Titanium Coating Step Drill Bit 1/4×4-20mm

The Makita D‑46442 Straight Flute Titanium‑Coated Step Drill Bit is a professional accessory designed for drilling multiple hole sizes in sheet materials. It features a straight flute geometry for controlled cutting and stability, while the titanium‑nitride (TiN) coating enhances wear resistance and heat protection. This makes it suitable for electricians, installers, and fabricators who require precision and durability in thin metals and plastics.