MCTR40 | Holemaker TCT Holesaw 40mm Dia. x 25mm DoC WIDE RANGE OF APPLICATIONS.Suitable for drilling steel plate stainless steel A.C.sheeting aluminium FRP PVC fibreglass & concrete coatedpipes. TRIPLE-CUT 3 EDGE CUTTING SYSTEM.There are two sets of three different edged cutting teeth.One tooth slanted outward one inward and one that peaks inthe centre. This arrangement balances the cutting effort forsmooth boring better control and less chance of excessdrag. ONE PIECE BODY STRUCTURE.With a one piece structure there is no play or flexingbetween the shank and cutting edge resulting in sharpcrisp smooth cutting. SAFE STOPPER COLLAR.Getting the holesaw stuck in the back of the cut material isprevented for safer faster drilling.