Sandvik R123U3-0200-1000-CS 1125 Carbide Cut-Off Grooving Insert 10pc

The Sandvik Coromant R123U3-0200-1000-CS 1125 is a new, triangular CoroCut 3-edge carbide grooving and cut-off insert from the R123 series, designed for use in CoroCut 1-2 and compatible Sandvik R123 series toolholders. Decoding the full part number: R123 = CoroCut grooving/parting family; U3 = 3-edge triangular insert; 0200 = 2.00 mm cutting width; 1000 = 10.00 mm maximum cutting depth; CS = CS chip geometry (curved geometry optimized for light finishing cuts and burr-free parting on stainless steel, non-ferrous, and long-chipping materials); 1125 = PVD-coated submicron carbide grade with Zertivo™ technology, providing a TiAlN-based coating visible as the bronze/copper color in the photos. The 1125 grade is rated across ISO P, M, K, N, S, and H material groups, with published cutting data of 450 SFM (140 m/min) for steel (P), 410 SFM (125 m/min) for stainless (M), and 4920 SFM (1500 m/min) for non-ferrous (N), using a feed of 0.002 in/r (0.04 mm/r), as confirmed on the box label. This insert is sold as a factory pack of 10 and is suited for parting, grooving, and light copy turning on CNC lathes requiring a 2 mm wide, burr-minimizing cut.

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