Dewalt DT6557-QZ Masonry Drill Bit 7 x 150 mm

The DEWALT Masonry Drill Bit is designed for efficient drilling into tough materials such as concrete, brick, blockwork, and stone. It features a 7 mm diameter and an overall length of 150 mm, with a working length of 82 mm for creating anchor, plastic, fixing, or pipework clearance holes. Constructed from high-quality steel for durability, this bit has 130° Douglas Form carbide tips to enhance performance in masonry applications. It is compatible with rotary hammer drills and percussion drills and uses reduced shank diameters of 9.5 mm for smaller sizes and 12.7 mm for larger sizes. The drill bit is suitable for drilling masonry, brick, blockwork, and stone, and is intended for use by inserting into the drill chuck, securing the fit, selecting the appropriate masonry or concrete setting, marking the drilling point, engaging hammer mode if available, applying steady pressure, and periodically removing the drill to clear debris.

Features

• 7 mm diameter masonry drill bit
• 150 mm overall length with 82 mm working length
• 130° Douglas Form carbide tips
• Compatible with rotary hammer and percussion drills
• Reduced shank: 9.5 mm (smaller sizes), 12.7 mm (larger sizes)
• Suitable for masonry, brick, blockwork and stone

Usage

Insert the drill bit into the drill's chuck, ensuring a secure fit. Use the appropriate drill setting for masonry or concrete. Mark the drilling point on the surface and set the drill to hammer mode if available. Apply steady pressure and drill into the material, removing the drill periodically to clear debris.