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 2 mm (1/16"), unalloyed steels up to 4 mm (3/16"), plastics, PVC, aluminium, zinc, gypsum plaster boards and lightweight building boards, as well as asbestos. Do not use automatic feed, when working with pillar drilling machines. For the use on portable- and pillar drilling machines.Do not use automatic feed, when working with pillar drilling machines. Features: ■■ High concentric running exactness through solid construction. ■■ CAD-optimized cutting angles with specially ground section ensures high cutting capacity and long tool life. ■■ Quick removal of drilled core through ejector spring for all hole saws up to 150 mm (5-29/32") Ø. ■■ Carbide tipping enables repeated re-grinding. ■■ ALFRA hole saws are repairable. In the event of a tooth breaking, it can easily be replaced and resharpened. ■■ Exchangeable center pin. ■■ Use of MT tool holders from Ø 31 mm (1-7/32"). ■■ For use on hand drilling machines (recommended up to max. Ø 40 mm; 1-9/16") or stationary machines. Tips: ■■ At thicker materials: cut 2-3 mm (1/16" - 7/64") 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. ■■ Keep in mind: Always wear safety goggles. |