SUMITOMO Triangle Turning Insert: TNMG666EEM
The SUMITOMO Triangle Turning Insert, model TNMG666EEM (MPN TNMG666EEM-AC5025S) and TNMG330924N-EM, is a triangle (T) indexable turning insert. It is available in two variants: TNMG666EEM and TNMG330924N-EM.
SKU 3G-OTH-324427
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Product Description
The SUMITOMO Triangle Turning Insert, model TNMG666EEM (MPN TNMG666EEM-AC5025S) and TNMG330924N-EM, is a triangle (T) indexable turning insert. It is available in two variants: TNMG666EEM and TNMG330924N-EM.
Frequently Asked Questions
What is the SUMITOMO TNMG666EEM triangle turning insert used for?
The SUMITOMO TNMG666EEM and TNMG330924N-EM are triangle (T) indexable turning inserts used for general turning, facing, and profiling operations on metal workpieces. They are suitable for medium to finishing cuts in steel, stainless steel, and cast iron, providing reliable edge life and surface finish in industrial machining.
What are the specifications of the SUMITOMO TNMG666EEM turning insert?
The SUMITOMO TNMG666EEM is a triangle indexable turning insert with MPN TNMG666EEM-AC5025S. It is available in two variants: TNMG666EEM and TNMG330924N-EM. The insert features a 60-degree triangle shape and is designed for use with appropriate tool holders. The AC5025S grade offers wear resistance for steel machining.
Where to buy SUMITOMO TNMG666EEM turning inserts worldwide?
You can source SUMITOMO TNMG666EEM and TNMG330924N-EM triangle turning inserts worldwide through 3G Electric. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time on this SUMITOMO insert.
How to select the correct SUMITOMO triangle turning insert for my lathe?
To select the correct SUMITOMO triangle turning insert, match the insert size (TNMG666EEM or TNMG330924N-EM) to your tool holder's pocket. Consider workpiece material and cutting conditions: the AC5025S grade suits steel. Ensure the insert's triangle shape and clearance angle align with your holder. Consult your tooling engineer for optimal results.
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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.















