Dos brocas huecas para sierra, metal y madera, de 70 mm y 80 mm, con vástago hexagonal, para perforación de paredes y proyectos de construcción.

Hollow Saw Drill Bit Set This two-piece hollow saw drill bit set is versatile and ideal for all your construction projects and wall drilling needs. The drill bits are available in 70mm and 80mm diameters, perfect for drilling precise holes in wood and metal. The set includes 2 hollow saw drill bits (70mm and 80mm), 2 special black screwdrivers. Each hollow saw is individually packaged for optimal protection and to meet the most common drilling requirements in a variety of materials. Premium Materials These hollow saw drill bits are made of premium carbon steel, ensuring excellent hardness.​​High precision and durability. A special heat treatment process enhances the mechanical and drilling performance of the drill bits, extending their lifespan. The 80mm hollow saw easily cuts hardwood, softwood, plywood, and medium-density fiberboard (MDF). Unique design. This 70mm hollow saw features a unique design for precise, burr-free wall cuts. Multiple chip vents reduce heat buildup and clogging from sawdust during use, improving your work efficiency. Comfortable user experience. This hollow saw comes with a universal quick-change connector for easy and quick bit replacement. This makes this tool set not only highly efficient but also extremely user-friendly. Whether you're a professional or a DIY enthusiast, these hollow saw drill bits are an indispensable addition to your toolbox!