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SiAION Ceramic LKT 550

LKT 550 is perfectly suitable for rough turning and semi finishing of CI materials. LKT 550 cutting inserts are characterized by high wear resistance and fracture toughness. In use, high feed rates and cutting speeds are possible due to the high process reliability and process safety. As a result, high machining speed is achievable as well. The LKT 550 cutting insert is available in C- and S-geometries and with the proven IX notch.

LKT 550 Performance Data
MaterialGray cast iron (CI)
Types of machining
Cutting Conditions
Tool entry conditions



Rough finishing, finishing

Cutting Data Recommendationsvc = 300 – 1,200 m/min
f = 0.2 – 0.6 mm
ap = 0.3 – 4.0 mm


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