Drill bit DeWalt DT6556-QZ, HSS, length 150 mm, 1 pc

The DeWalt DT6556-QZ is a 150 mm HSS drill bit supplied as a single piece and intended for general-purpose drilling where extra length is required. Designed for workshop repairs and on-site tasks, this bit fits standard drill chucks and is suitable for through-holes and deep drilling into metals and a variety of common materials. The component combines high-speed steel construction with a design that supports stable drilling and extended reach.

Advantages

The HSS construction provides good hardness and heat resistance for sustained drilling into metal and other materials. The 150 mm length allows deeper penetration without changing tools, supporting through-holes and work on thicker components. Supplied as a single piece, the bit is ready to use in standard drills and is compatible with typical chuck sizes. The geometry of the tip and flute design helps with chip evacuation and stable cutting action during prolonged operations.

Suitable for

• Drilling through metal sheets, profiles and machine parts
• Deep hole drilling in workshop repairs and maintenance
• General-purpose drilling tasks that require a longer reach
• Use with corded and cordless drills having compatible chucks

Key specifications

• Material: high-speed steel (HSS)
• Overall length: 150 mm
• Quantity: 1 piece
• Suitable for drilling metal and general-purpose materials

How to use

Secure the drill bit in the drill chuck and tighten according to the drill manufacturer's instructions. Select an appropriate speed for the material being drilled — lower speeds for larger diameters and harder metals, higher speeds for softer metals. Apply steady pressure and allow the bit to cut; avoid excessive force that can cause overheating. For deep holes, periodically withdraw the bit to clear chips and improve coolant or air circulation if used.

Usage recommendations

Use cutting fluid or lubricant when drilling hard or alloy steels to reduce heat and extend bit life. Inspect the bit before use for signs of wear or damage and replace if the cutting edge is blunt. Match drill speed and feed to the material and maintain steady pressure for best results.