Alfra Carbide-Tipped Sheet Metal Hole Cutter, for Mild Steel, Hex Shank, 3/8" Shank Size, 2" Cutting Diameter (Pack of 1)

The application area of TCT Hole Saws differs from HSS-Bi-Metal Hole Saws. With ALFRA TCT Hole Saws, suitable to economically process stainless steel up to 2mm (5/64"), unalloyed steels up to 4 mm (3/16"), plastics, PVC, aluminium, zinc, gypsum plaster boards and lightweight building boards. For the use on portable- and pillar drilling machines. Do not use automatic feed, when working with pillar drilling machines. At thicker materials: cut 2-3 mm (5/64" - 1/8") per cutting process, remove chips afterwards. When cutting metals, a high- grade cutting oil should be used. Exception: Do not use cutting oil when using cast iron, use parrafin instead of oil when cutting aluminium. All TCT hole saws are equiped with an ejector spring. The cut material will be ejected automatically. Short type version for material thickness up to 4mm. 9 Number of teeth.