General description This 15-piece TCT Masonry Drill Bit Set by Draper is designed for heavy-duty and precise drilling into dense materials such as concrete, brick, stone, and slate. Made from durable carbon steel with professionally ground tungsten carbide tips, these bits ensure faster cuts and a longer lifespan. Technical specifications Number of bits: 15 Material: Carbon steel with tungsten carbide tip Tip angle: 130° Suitable for: Concrete, brick, stone, slate, masonry Chuck compatibility: 10mm or 13mm Bit sizes: 3.0 x 60mm (3 pieces), 4.0 x 75mm (3 pieces), 5.0 x 85mm (3 pieces), 6.0 x 100mm (2 pieces), 8.0 x 120mm (2 pieces), 10.0 x 120mm (2 pieces) Compatibility and accessories Compatible with standard drill chucks of 10mm and 13mm Includes a soft grip plastic case for storage Installation Insert the desired drill bit into a compatible drill chuck, ensuring it is securely tightened. Use appropriate safety gear and follow standard drilling procedures when working with masonry