SUMITOMO Triangle Turning Insert: TPMT331EMU
The SUMITOMO Triangle Turning Insert, model TPMT331EMU (also referenced as TPMT160404N-MU and MPN TPMT331EMU-AC420K), is a triangle (T) indexable turning insert. Key specifications include the part numbers TPMT331EMU…
SKU 3G-OTH-322730
Need installation or engineering help?
Ask a question
Product Description
The SUMITOMO Triangle Turning Insert, model TPMT331EMU (also referenced as TPMT160404N-MU and MPN TPMT331EMU-AC420K), is a triangle (T) indexable turning insert. Key specifications include the part numbers TPMT331EMU and TPMT160404N-MU.
Frequently Asked Questions
What is the SUMITOMO TPMT331EMU triangle turning insert used for?
The SUMITOMO TPMT331EMU (also TPMT160404N-MU) is a triangle indexable turning insert for general machining. It is used in lathe operations for turning, facing, and profiling on steel, stainless steel, and cast iron workpieces across industrial manufacturing.
What are the specifications of the SUMITOMO TPMT331EMU turning insert?
The SUMITOMO TPMT331EMU triangle turning insert is specified as TPMT331EMU and TPMT160404N-MU, with manufacturer part number TPMT331EMU-AC420K. It is a triangle (T) indexable insert designed for turning applications. Contact 3G Electric for detailed geometry and grade data.
Where to buy SUMITOMO TPMT331EMU turning inserts worldwide?
3G Electric supplies SUMITOMO TPMT331EMU (TPMT160404N-MU) triangle turning inserts worldwide. We handle full logistics, customs clearance, and delivery to your facility. As a global industrial sourcing partner, we provide genuine SUMITOMO inserts for machining operations.
How to select the correct SUMITOMO triangle turning insert for my lathe?
To select the correct SUMITOMO triangle turning insert like TPMT331EMU, match the insert shape (triangle T), size (IC 3/8 in or 9.525 mm), thickness, and nose radius to your tool holder. Confirm grade AC420K suits your workpiece material. 3G Electric can help verify compatibility.
Used in
Common applications for SUMITOMOSUMITOMO Products
3G Electric supplies SUMITOMO triangle (t) indexable turning inserts. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















