Hole saw is widely used for cutting gypsum board, steel, aluminum, non-ferrous metals, copper, brass, wood, plastic, and PVC. Suitable for use with bench drills, electromagnetic drills, pistol drills, and impact drills. Equipped with chip discharge holes to improve removal of chips during operation. Features a sharp blade with high hardness for durability and reliable performance. Provides precise, stable cutting with minimal vibration. Spring-loaded design aids in chip removal and includes a hexagonal shank for secure fitting. Automatically ejects the center plug after hole completion for efficient operation. Delivers clean, smooth edges without binding. Capable of cutting through steel pipes with wall thickness ranging from 0.5 to 5mm. Use with coolant or water cooling during operation to enhance performance and prolong tool life.