Starrett FCH0500-G 127mm Fastcut Bi-Metal HolesawThe Fast Cut Saw combines a new tooth material, with enhanced heat and wear resistance, and a new tooth design, providing a smoother, faster cut on a wide range of materials, when compared against the previous Constant Pitch Saw. Specifically suited to cutting stainless and mild steel sheet, the Fast Cut will also cut through tubes with a wall thickness of up to 3mm 18.FEATURESNew tooth material with extra cobalt for enhanced heat and wear resistance improving the product life.The 5.5 TPI positive rake tooth form provides less torque for a smoother, faster cut in all materials.30 extra gullet volume for better material penetration.Ideal for 3mm stainless steel, mild steel sheet and tubes and other materials with a thickness of up to 13mm 12.SPECIFICATIONTeeth per Inch 25mm 5.5Diameter 127mm 5Cutting Depth 41mm 1.58