WALTER Triangle Turning Insert: TCMT1.8(1.5)1-MM4 WSM20S
The WALTER Triangle Turning Insert is a triangle (T) indexable turning insert available in two variants: TCMT1.8(1.5)1-MM4 WSM20S and TCMT090204-MM4 WSM20S, with manufacturer part number 6836836. These inserts are…
SKU 3G-OTH-323808
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Product Description
The WALTER Triangle Turning Insert is a triangle (T) indexable turning insert available in two variants: TCMT1.8(1.5)1-MM4 WSM20S and TCMT090204-MM4 WSM20S, with manufacturer part number 6836836. These inserts are designed for turning operations and are supplied by WALTER.
Frequently Asked Questions
What is a WALTER triangle turning insert used for?
A WALTER triangle turning insert is used for turning operations on lathes, including facing, profiling, and external turning. The TCMT geometry with a 7° clearance angle suits steel, stainless steel, and cast iron. The WSM20S grade provides wear resistance for medium machining.
What are the specifications of the WALTER TCMT090204-MM4 WSM20S insert?
The WALTER TCMT090204-MM4 WSM20S insert has an inscribed circle of 9.525 mm, thickness of 3.97 mm, and a 0.4 mm nose radius. It uses a TCMT chipbreaker with MM4 geometry for medium machining. The WSM20S grade is a CVD-coated carbide for steel and cast iron.
Where to buy WALTER turning inserts worldwide?
3G Electric supplies WALTER turning inserts worldwide, including the TCMT1.8(1.5)1-MM4 WSM20S and TCMT090204-MM4 WSM20S variants. We handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this MPN 6836836.
How to select the correct WALTER triangle insert for a turning job?
Select a WALTER triangle insert by matching the insert size (IC and thickness) to your tool holder pocket, the nose radius to your surface finish requirement, and the chipbreaker (MM4 for medium cuts) to your feed rate. The WSM20S grade suits general steel and cast iron turning.
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3G Electric supplies WALTER triangle (t) indexable turning inserts. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















