SUMITOMO Triangle Turning Insert: TNMG331EEF
The SUMITOMO Triangle Turning Insert, model TNMG160404N-EF (also referenced as TNMG331EEF, MPN TNMG331EEF-AC6040M), is a triangle (T) indexable turning insert. It is available in two designations: TNMG331EEF and…
SKU 3G-OTH-455190
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Product Description
The SUMITOMO Triangle Turning Insert, model TNMG160404N-EF (also referenced as TNMG331EEF, MPN TNMG331EEF-AC6040M), is a triangle (T) indexable turning insert. It is available in two designations: TNMG331EEF and TNMG160404N-EF.
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
Frequently Asked Questions
What is the SUMITOMO TNMG331EEF turning insert used for?
The SUMITOMO TNMG331EEF (also TNMG160404N-EF) is a triangle indexable turning insert for general turning, facing, and profiling on lathes. It suits steel, stainless, and cast iron machining in automotive, oil & gas, and general engineering applications.
What are the specifications of the SUMITOMO TNMG160404N-EF insert?
The SUMITOMO TNMG160404N-EF is a triangle (T) indexable turning insert with designation TNMG331EEF or TNMG160404N-EF. The manufacturer part number is TNMG331EEF-AC6040M. It is designed for medium-duty turning and is available in grade AC6040M.
Where to buy SUMITOMO TNMG331EEF turning inserts worldwide?
3G Electric supplies SUMITOMO TNMG331EEF (TNMG160404N-EF) turning inserts to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this triangle indexable insert.
How to select the correct SUMITOMO triangle turning insert?
To select the correct SUMITOMO triangle insert, match the designation (TNMG331EEF or TNMG160404N-EF) to your tool holder's pocket size and your workpiece material. The AC6040M grade suits steel and stainless. Confirm insert thickness and nose radius from the TNMG standard.
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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.









