Trend C194X1/2TC Staggered Mortise Cut 16 diameter Two flute Straight mortiserTCT cutter with staggered cutting surfaces.Deep mortising and grooving giving good chip clearance.For lock mortising, two width cuts will be needed to achieve the standard 19mm mortise.Will plunge and clear chips to a depth of 70mm in a number of passes.Take several passes to avoid cutter breakage and motor overload.Specification-D=5/8 inchD=16 mmC=2 inchesC=50 mmOL=101 mmShank Diameter=1/2 inch