Hitachi 728947 1/2" 31" 36" Spline Shank 2 Cutter Hammer Drill Bits

The Hitachi 728947 Spline 1/2-inch by 31-inch by 36-inch 2-Cutter Drill Bit has an aggressive and durable carbide tip which is chisel shaped for rapid penetration, easy centering and fast drilling. The reinforced flute geometry reduces vibration and transfers more impact energy, while the multi-fluted spiral flute quickly channels debris from the hole. This drill bit is ideal for concrete, masonry and natural stone drilling. This drill bit has 31-inch drilling depth. The Hitachi 728947 Spline 1/2-inch by 31-inch by 36-inch 2-Cutter Drill Bit is warranted to the original purchaser to be free from defect 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.