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 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.