Sandviks 266RG‑16MM01A200M 1135 Carbide Thread Turning Insert, CoroThread 266 External Thread Insert for CNC Lathe Steel Stainless Steel Machining

The 266RG‑16MM01A200M 1135 is a Sandviks Coromant CoroThread®266 series right‑hand external metric thread turning insert. Adopting unique iLock guide‑rail locking interface, it delivers outstanding clamping stability during threading operations, avoids insert shifting, ensures consistent thread accuracy and high‑quality surface finish for mass‑production CNC lathe threading jobs. The 1135 PVD coated carbide grade balances wear resistance and edge toughness, suitable for general‑purpose thread turning across multiple workpiece materials.

• iLock guide‑rail interface, high clamping rigidity, minimal insert movement under heavy cutting load
• Multi‑layer PVD coating grade 1135, good thermal stability and anti‑wear performance
• Optimized MM chip‑breaker geometry, controllable chip evacuation, reduces built‑up edge
• 3 usable cutting edges, improves cost‑efficiency for threading production
• Designed for 2.0 mm pitch ISO metric external thread profile
• Easy insert indexing and mounting, compatible with CoroThread 266 tool holders

• Carbon steel, alloy steel (P materials)
• Stainless steel (M materials)
• Cast iron (K materials)
• Selected heat‑resistant superalloys

• CNC lathe external metric thread turning
• Mass‑production thread manufacturing for automotive, hydraulic, machinery parts
• Semi‑finishing & finishing external thread machining
• General‑purpose workshop threading for steel and stainless steel components