General description Lot of 8 bi-metal hole saws M42, designed for cutting through various materials including wood, plastic, and drywall. Each hole saw has a diameter of 15 mm, making them versatile for different applications. Technical specifications Quantity: 8 pieces Diameter: 15 mm Material: M42 bi-metal Usage Suitable for cutting through wood, plastic sheets, drywall, and metal piping such as steel profiles and aluminum alloys. Ensure to add coolant when cutting through metal materials. When using the positioning drill, proceed slowly and with caution. If there are issues with chip removal during operation, stop and clear the chips before continuing. For materials thicker than 10 mm, remove the positioning drill spring. Other information Features sharp teeth for reduced vibrations and quick stabilization during operation. Equipped with dedicated chip removal holes to enhance chip removal speed. Universal handle type to prevent slipping, capable of handling more torque. Widely