Thin Wall Hole Saw Set 3pc

• MATERIAL - Manufactured from high quality HSS with 8% cobalt bi-metal which is ideal for drilling into thin metal. • VARIABLE PITCH - Teeth profiled with a progressive pitch for a smooth burr free finish. • UNIVERSAL - Hex shank for use with any standard sized drill chuck. • FLARED SHOULDER - Depth stop to prevent the user from drilling too deep. • EJECTION SPRING - System designed for efficient waste removal. • SIZES - Ø20, 25, 32mm.