WALTER Square Turning Insert: SNMG643-RM5

The WALTER SNMG643-RM5 / SNMG190612-RM5 is a square indexable turning insert used for general turning, facing, and profiling operations on steel, stainless steel, and cast iron workpieces. It is common in automotive, oil and gas, and general machining industries where reliable chip control and surface finish are required.

This WALTER square turning insert is available in two designations: SNMG643-RM5 and SNMG190612-RM5, with manufacturer part number 7251143. It is an indexable insert with a square (S) shape, designed for medium to heavy roughing cuts. The insert features a chipbreaker geometry for effective chip evacuation.

You can source the WALTER SNMG643-RM5 / SNMG190612-RM5 turning insert worldwide through 3G Electric. As a global industrial equipment distributor since 1990, 3G Electric handles full logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time.

Both designations refer to the same WALTER insert geometry but use different naming conventions. SNMG643-RM5 follows the older inch-based system, while SNMG190612-RM5 uses the metric ISO standard. Select based on your tool holder's pocket size and your preferred designation system. Both provide identical cutting performance.