SUMITOMO Triangle Turning Insert: TNMG331EUX
The SUMITOMO Triangle Turning Insert, model TNMG331EUX (also referenced as TNMG160404N-UX and MPN TNMG331EUX-AC810P), is a Triangle (T) indexable turning insert. It is designed for metal-cutting applications…
SKU 3G-OTH-323389
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Product Description
The SUMITOMO Triangle Turning Insert, model TNMG331EUX (also referenced as TNMG160404N-UX and MPN TNMG331EUX-AC810P), is a Triangle (T) indexable turning insert. It is designed for metal-cutting applications requiring a triangular-shaped cutting edge.
Frequently Asked Questions
What is the SUMITOMO TNMG331EUX triangle turning insert used for?
The SUMITOMO TNMG331EUX (also TNMG160404N-UX) is a triangle indexable turning insert for metal-cutting operations. It provides a triangular cutting edge for turning, facing, and profiling on lathes. Common applications include general machining of steel, stainless steel, and cast iron in automotive, aerospace, and industrial manufacturing.
What are the specifications of the SUMITOMO TNMG331EUX insert?
The SUMITOMO TNMG331EUX is a triangle (T) indexable turning insert with model numbers TNMG331EUX and TNMG160404N-UX. The manufacturer part number is TNMG331EUX-AC810P. It features a triangular shape for three cutting edges and is designed for metal-cutting applications requiring a triangular cutting edge.
Where to buy SUMITOMO TNMG331EUX inserts worldwide?
You can source SUMITOMO TNMG331EUX inserts worldwide through 3G Electric, a global industrial equipment distributor established in 1990. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time. We supply genuine SUMITOMO inserts for metal-cutting operations.
How to select the correct SUMITOMO triangle turning insert for my lathe?
To select the correct SUMITOMO triangle turning insert, match the insert size (TNMG331EUX or TNMG160404N-UX) to your tool holder's pocket. Ensure the insert grade (AC810P) suits your workpiece material—steel, stainless, or cast iron. Consult your lathe manual for required clearance angle and chipbreaker geometry. 3G Electric can help with sourcing.
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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.












