General description Let this SDS PLUS Hole Core Drill Bit Cutter Set make your drilling work easier! This complete hole saw kit is designed for high-intensity work, ensuring it will not break or twist easily. With various sizes available, it allows you to handle different drilling tasks efficiently, making it an ideal gift for DIY enthusiasts. Technical specifications Material: 45 # Carbon Steel, 40 Cr, YG8 Alloy Color: Black, Grey Diameter: 30/40/68/80/100mm Cutting Diameter: 30-100mm / 1.18-3.94in Chip Flute Length: 50mm / 1.97in Useful Length: 50mm / 1.97in Total Length: 370mm / 14.57in Cutting Depth: 330-350mm / 12.99-13.78in Blade Size: 6.5mm / 0.26in Number of Teeth: 4/5/8/10/12 Pipe Wall Thickness: 3.4-3.5mm / 0.13-0.14in Toolbox Size: 33*26.5*9.5cm / 12.99*10.43*3.74in Net Weight: 5.2kg / 11.46lbs Gross Weight: 5.8kg / 12.79lbs Installation Install the center drill into the corresponding extension hole of the groove. Insert the center drill into the bottom. Put the fixing