XCAN Internal Grooving Lathe Bar MGIVR2016 MGIVR2520 MGIVR3732 CNC Lathe Tool Holder MGIVR Boring Bar for MGMN300 MRMN300 Insert Specification: Name: External Grooving Turning Tool Item No: MGIVR Material quality: 40CrMo-42CrMo Hardness: HRC42~46 Suitable Blade Type: MGMN300/MRMN300 Insert Feature: 1. Grooving cut-off tool is made of 40Cr material, which has been hardened and matched with our upgraded wear-resistant grooving blade. 2. Heat treatment technology makes the metal freely deform in all directions between the upper and lower anvil surfaces, eliminates shrinkage holes, shrinkage porosity, pores and other defects, so that the tool blank has higher mechanical properties. 3. After the chip breaker is deformed by the iron chips, it is not easy to be stuck, which makes cutting smooth and greatly improves work efficiency. Application Apply in grooving and cutting. Used for rough processing, excavation processing, etc.