Solid tungsten carbide tool body for increased stability and smooth running. DP face edge suitable for ramp plunging. Slightly positive shear angle for improved chip removal when plunging. From D = 12 mm on with full size DP plunging edge. Axial infeed for grooving and sizing maximum 1.0 - 1.5 x D. Resharpenable 2 to 3 times with normal wear.