CoroThread® 266, model 266RL-16MM01F150E with grade 1135 Sandvik Coromant

Premium-quality thread turning inserts from the CoroThread® 266 series, tailored for high-precision internal metric threading. These solid carbide inserts are engineered by Sandvik Coromant and feature advanced PVD-grade performance.

Key Specifications

Insert Series & Designation: CoroThread® 266, model 266RL-16MM01F150E with grade 1135 
Sandvik Coromant
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Thread Pitch: 1.5 mm (Metric 60° full form) 
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Insert Type: Internal right-hand threading insert 
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Inscribed Circle (IC): 9.52 mm 
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Thickness (S): 3.97 mm 
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Material & Coating: Solid carbide with high-performance PVD coating (TiAlN + Chromium Oxide) 
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Flutes / Cutting Edges: Sharp-edge design for crisp thread profiles and consistent results 
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Performance Benefits

Multi-Edge Design: Three sharp cutting edges per insert—reducing downtime and maximizing productivity 
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Exceptional Stability: Engineered with a guide-rail interface and robust insert seat to ensure rigidity and accurate thread geometry 
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Superior Thread Quality: Ideal for producing precise internal threads with excellent surface finish across a variety of workpiece materials