Overview The GIP 4.00E-0.40 is a grooving insert from ISCAR's CUT-GRIP system. It cuts a 4.00 mm wide groove with a 0.40 mm corner radius and can reach a maximum cutting depth of 13 mm. The insert is double-ended: the cutting form is at both ends, so each insert carries two usable cutting edges. That is the defining economy of the GIP-E range — one insert, two ends, indexed by turning the insert over in the pocket rather than replacing it. Its chipformer is the P type,