Wholesale Hard Rock Drill Bit Manufacturer and Exporter from China

The Bosch HC8575 5/8-Inch x 12-Inch SDS-max Rotary Hammer Bit is the perfect drill bit for hard rock. Made with carbide and optimized for use with SDS-max rotary hammers, this bit can easily drill through the toughest of materials. The elongated flute design increases the drilling speed and reduces wear on the bit, ensuring longevity and durability. The 5/8-inch diameter and 12-inch length make it ideal for deep drilling in hard rock formations, making it a great choice for construction workers, contractors, and DIY enthusiasts alike. Whether you're drilling for mining, construction, or landscaping, the Bosch HC8575 is the perfect bit to get the job done quickly and efficiently.

The XCSOURCE 10pcs 6mm Glass and Tile Drill Bit Set is an excellent choice for those looking for a drill bit for hard rock. The bits are made of high-quality tungsten carbide, making them durable and perfect for drilling through hard surfaces like granite, porcelain, and ceramic tiles. The design of the bits ensures that they have excellent precision when drilling and that they do not slip or wander. The set comes with ten different bits to choose from, ranging from 3mm to 12mm, making it convenient for different drilling needs. In conclusion, the XCSOURCE 10pcs 6mm Glass and Tile Drill Bit Set is an excellent option for those looking for a reliable and efficient drill bit for hard rock surfaces.