WALTER TCMT16T304-MM4 WSM20S Triangle Indexable Turning Insert

This WALTER triangle indexable turning insert is used for general turning, facing, and profiling operations on steel and cast iron workpieces. Its MM4 chipbreaker geometry provides effective chip control in medium machining applications, making it suitable for automotive, aerospace, and general engineering industries.

The WALTER triangle turning insert has type TCMT16T304-MM4 WSM20S, also referenced as TCMT3(2.5)1-MM4 WSM20S. The manufacturer part number is 6836844. It features a WSM20S grade for steel and cast iron, with a triangle shape and MM4 chipbreaker for medium machining. 3G Electric supplies this genuine insert worldwide.

3G Electric supplies WALTER triangle turning inserts, including TCMT16T304-MM4 WSM20S (MPN 6836844), to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. As a sourcing partner across 14 industrial departments, we interpret your demand and deliver the right insert for your application.

Select the WALTER insert grade based on workpiece material and cutting conditions. For steel, the WSM20S grade offers good wear resistance and toughness. The MM4 chipbreaker suits medium depths of cut and feeds. Verify the insert shape (triangle T), size (TCMT16T304), and nose radius match your tool holder. 3G Electric can help confirm compatibility.