20mm (25/32inch) Bi-Metal Cobalt Hole Saw – 4-6 TPI Variable Teeth

Industrial quality hole saw designed for machine or hand drilling in steel, stainless steel, cast iron, non-ferrous metals, plastic and wood.Made from Bi-Metal Cobalt (8%) HSS – For increased toughness, wear resistance and longer lifeVaried Pitch Cutting Teeth – Reduces vibration for cleaner finish and greater accuracyInternational Standard Thread