MAX50-70A | Holemaker TCT Cutter 70mmx50mm DOC As well as providing excellent life in mild steel, Tungsten Carbide Tipped Cutters are suitable for drilling difficult materials eg. stainless steel, Bisalloy and wear plate. These Tungsten Carbide Tipped Cutters consist of an alloy metal body, and tungsten carbide cutting teeth. Due to this composition, these cutters are less susceptible to breakage than standard high speed steel cutters, especially in larger diameters and longer lengths. The tungsten carbide cutting teeth can also be sharpened and replaced. Diameter: 70mm, Depth of Cut: 50mm, Pilot Pin Diameter: 8mm, Shank Diameter: 3/4in (19.05mm), Pilot Pin To Suit – SP18050