Hitachi 729404 5/8-Inch Diamond Grit Drill Bit
The Hitachi 729404 5/8-Inch Diamond Grit Drill Bit can drill through glass, marble, class-5 porcelain, granite and slate. It significantly outperform the standard carbide glass and tile bits on the market today, both in speed of drilling and the number of holes that can be drilled per bit. This bit feature a raised lip with diamond grit particles that are uniquely sintered in place. The process allows the diamonds to adhere to the bit and not grind down as quickly as other sintering processes. The Hitachi diamond grit drill bit bodies are constructed of hardened and tempered thin wall alloy steel. They require water lubrication during use. This bit is ideal for contractors, serious do-it-yourselfers, machine shops and mechanics. Hitachi offers the best durability and speed for general purpose drilling applications and has a complete line of professional bits for wood, metal, plastic and light masonry drilling. The Hitachi 729404 5/8-Inch Diamond Grit Drill Bit is warranted to the original purchaser to be free from defects in materials and workmanship for a period of 30-days from the original purchase date. Every Hitachi accessory is designed to the highest standards and is rigorously tested for both performance and durability. Since its inception, Hitachi has pioneered innovative technologies that have improved the quality of craftsmanship worldwide. Hitachi is a leader in power tool research and development and has achieved many firsts in the power tool industry. Today, Hitachi continues the tradition of innovation and engineering with new features in addition to classic quality.