Full-Radius Internal Grooving Insert — R0.6 mm, 1.2 mm Wide, Bores from Ø8 mm D08.0006.12 VR X400 A precision-ground carbide insert that cuts a complete round-bottom groove in a single plunge. The R0.6 mm form radius produces the finished profile, the 1.2 mm width is exactly twice that radius, and the whole cut is made in bores from Ø8 mm — no special form tool, no second pass. Right-hand (VR) version, grade X400. Insert only; the matching simturn DX toolholder is ordered