- Professional Quality: This hollow drill bits set includes two sizes—65 mm and 80 mm—designed for continuous, heavy-duty use in demanding environments. - Versatile Applications: Perfect for drilling into a variety of materials, including masonry, bricks, clinker bricks, natural stones, concrete, sandstone, artificial stones, marble, and sand-lime bricks. - Set Specifications: - Hollow drill bits: 68 mm and 80 mm diameters - Working length: 50 mm - Total length: 72 mm - SDS plus adapter: 110 mm (M22 thread) - Pilot drill: 8 x 110 mm - Superior Design: Each drill bit features high-quality carbide cutting edges for durability and precision. The corrugated carrier body enhances dust removal, improving efficiency during use. - Use Scenarios: - Ideal for construction professionals needing to create clean, precise holes in brickwork or masonry for anchors and fixtures. - Suitable for renovation projects where drilling into various stone types is required, ensuring versatility on the job site. - Effective for landscaping or outdoor projects involving natural stonework, making it a must-have for landscapers and contractors. This drill bits set is engineered for reliability and performance, ensuring you have the right tools to tackle any drilling task effectively.