Selection guide Selection guide With our cutting tools for parting and grooving, you get high productivity and long tool life, helping you deliver plenty of components out of the workshop door. This selection guide is designed to help you quickly identify the most suitable tools and inserts for your specific applications, ensuring optimal perfor- mance and efficiency.​ External grooving and parting off CoroCut® 2 CoroCut® 3 Versatile parting and grooving, For cost-efficient shallow cost-efficient thanks to two-edged parting and grooving and inserts. First choice for grooving and narrow precision and circlip parting off for diameters under 40 grooving down to the mm (1.57 inch).​ smallest widths.​ CoroCut® QD The most reliable system for parting off and deep grooving. First choice for parting off diameter 38–160 mm (1.5–6.3 inch). System Cutting depth maximum, mm (inch) Cutting width​, mm (inch) CoroCut® QD 15–80 (0.591–3.150) 1–8​ (0.039–0.315) CoroCut® 2 13–28​ (0.512–1.102) 1.5–8 (0.059–0.315)​ CoroCut® 3 1.5–6.4​ (0.059–0.252) 0.5–3.18​ (0.02–0.125) 4