Trend C144AX8MMTC Slotting cutter 4.0mm cut x 31.8m diameterSlotting CuttersThese two wing Tungsten Carbide Tipped slotting cutters are ideal for grooving and rebating operations. A 12.7mm diameter bearing is supplied with every cutter giving a 9.5mm groove depth. Depth of cut can be changed by purchasing alternative bearing sizes. Easy to set-up and use.Hex key is supplied.N.B. The grooving section of this tool cannot be detached from the shank.Specification-D=31.8 mmC=5/32 inchC=4 mmB=12.7 mmE=9.5 mmShank Diameter=8 mm