MAKITA D-20220 17 mm Hex Shank Drill Bit for HR3530, HR4030C 25.5 x 280 mm

MAKITA D-20220 Drill Bit, Hex Shank 17mm HR3530, HR4030C 25.5×280 mm

Features: This series of drill bits is industrial-grade equipment designed for professional tradesmen. The bits are engineered with wider-than-usual diameters (25.5 - 38 mm) to drill large holes in a single pass without the need for frequent pilot drilling. The 17 mm hex shank locks the bit securely into the tool, preventing slipping and delivering maximum drilling power transfer.
Feature
Heavy Duty Carbide Tip: Large carbide tip, durable for drilling high-strength concrete
Superior Power Transfer: Standard Makita 17 mm hex shank provides high drilling stability
Dual-Flute Design: Dual flutes accelerate debris evacuation, reducing jamming during deep drilling
Heat Treatment: Hardened for toughness to resist breakage when striking rebar in concrete
Application
System installation: drilling large holes for running drain pipes, air conditioning conduits, or high-voltage electrical conduits
Structural work: drilling holes for installing large anchor bolts or for chemical rebar anchoring
Compatible materials: reinforced concrete, hard stone, autoclaved aerated concrete (AAC), and all types of masonry walls