Drill bit DeWalt DT9542-QZ for concrete, 260 mm length, 1 pc

DeWalt DT9542-QZ is a 260 mm carbide-tipped drill bit engineered for drilling into concrete and other masonry materials. Designed for use with rotary and hammer drilling modes, this single-piece bit delivers durable performance for installing anchors, making through-holes and creating service penetrations where consistent hole size and wear resistance are required. The bit combines a hardened steel body with a solid two-cutter head and two individual cutting tips to maintain drilling speed and reduce breakage under demanding conditions.

Advantages

The optimized mounting shank ensures secure grip and efficient power transmission from the drill to the bit, reducing slippage and improving control. Hardened steel construction increases overall strength and resistance to bending or snapping during heavy-duty use. The carbide-tipped head with two main cutters and two auxiliary cutting tips provides faster drilling progress, cleaner hole walls and improved longevity compared with standard masonry bits.

Suitable for

• Drilling anchor and plug holes in reinforced concrete
• Making clearance and through-holes in masonry, brick and block work
• Service penetrations for plumbing, electrical and HVAC installations
• Fast drilling tasks requiring precise hole diameter and durable wear resistance

Key specifications

• Overall length: 260 mm
• Tip material: carbide-tipped cutting head
• Shank: optimized mounting shank for secure grip and power transmission
• Construction: hardened steel body for extra strength
• Head design: solid two-cutter head with two individual cutting tips for efficient drilling
• Pack quantity: 1 piece

How to use

Fit the DeWalt DT9542-QZ into a compatible rotary or hammer drill with the appropriate chuck or holder, ensuring the shank is clean and fully seated for correct engagement. Mark the drilling point and start at low speed to establish the hole, then apply steady pressure and increase to an appropriate hammer or rotary speed for the material. Withdraw periodically to clear debris and avoid overheating; for deep holes, remove material frequently to maintain cutting efficiency and hole accuracy.

Usage recommendations

Use appropriate personal protective equipment including safety glasses, hearing protection and gloves. Select a drill with adequate power and hammer action for concrete; use consistent feed pressure without forcing the bit. For reinforced concrete, proceed slowly when encountering rebar and consider using a rebar-cutting procedure if necessary. Store the bit dry and protected to preserve the carbide tip.