DEWALT EXTREME Industrial Cobalt HSS-CO 6.5mm DEWDT4909-QZ

Description

High-Performance Metal Drilling for Demanding Trade Work

The DEWALT EXTREME Industrial Cobalt HSS-CO 6.5mm DEWDT4909-QZ is built for electricians and contractors who regularly work with tough metals and high-alloy steels. Engineered for drilling materials with tensile strength up to 1,100 N/mm², it delivers reliable cutting power where standard drill bits struggle.

The no-walk tip helps start cleanly on curved or smooth surfaces, reducing the need for centre punching and speeding up setup time. Recessed cutting wings support cleaner entry and more accurate, burr-free holes—ideal when precision matters on site. Whether you’re working on metal panels, structural components, or industrial installations, this bit is designed to keep productivity high and rework low.

Built for Durability, Stability, and Consistent Trade Reliability

Designed with a strong central core that increases in thickness toward the chuck, this drill bit improves fracture resistance and stability—especially during freehand drilling. This means better control, reduced breakage risk, and longer service life under demanding site conditions.

The spin-proof three-sided shank provides a no-slip grip in the drill chuck, ensuring consistent torque transfer and reducing slippage during heavy-duty use. This makes it a dependable choice for busy contractors who need tools that perform consistently across repetitive tasks.

For licensed electricians and maintenance teams, reliability is critical. This drill bit is engineered to support accurate results and reduced tool failure, helping maintain workflow continuity and compliance with professional installation standards.

Trade Efficiency That Reduces Downtime on Site

Time is critical on every project, and this DEWALT 6.5mm Cobalt HSS-CO drill bit is designed to support fast, efficient drilling in both portable and stationary setups. Its cutting performance reduces effort on tough metals, helping trades complete tasks quicker without sacrificing accuracy.

Ideal for installation teams working across residential, commercial, and industrial environments, it supports smoother workflow from rough-in to final fix. With fewer interruptions from tool wear or bit slippage, contractors can maintain momentum and keep projects on schedule.

For electricians managing multiple jobs, this drill bit is a dependable addition to any core toolkit—helping reduce downtime, improve drilling accuracy, and support consistent on-site performance.

Key Specs

• Diameter: 6.5mm
• Total Length: 101mm
• Working Length: 63mm

Ideal For

• Licensed electricians working on metal containment and panel installations
• Electrical contractors drilling into high-strength steels and alloys
• Maintenance teams performing industrial repair and retrofit work
• Construction professionals needing accurate metal hole drilling
• Workshop and fabrication applications requiring clean, burr-free finishes