Technical Specification

Ø 15.2 - 50.0 mm ^
= 10.0 mm shank
Ø 9
/16“ - 2“ ^
= 3
/8“ shank
Ø 51.0 - 150.0 mm ^
= 13.0 mm shank
Ø 2“ - 6“ ^
= 1
/2“ shank

Product Description

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 (5
unalloyed steels up to 4 mm (3
/16“), plastics, PVC, aluminium, zinc, gypsum plaster boards
and lightweight building boards, as well as asbestos. For the use on portable- and pillar
drilling machines. Do not use automatic feed, when working with pillar drilling machines.
n High concentric running exactness through solid construction.
n CAD-optimized cutting angles with specially ground section ensures high cutting
capacity and long tool life.
n Quick removal of drilled core through ejector spring for all hole saws up to Ø 150 mm
(5 29/32“).
n Carbide tipping enables repeated re-grinding.
n Exchangeable center pin.
n As from Ø 31 mm (1 7
/32“) use of MT tool holders.
n At thicker materials: cut 2-3 mm (5
/64“ – 1
/8“) per cutting process, remove chips afterwards.
n 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.

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