SUMITOMO Triangle Turning Insert: TPMN321
The SUMITOMO Triangle Turning Insert, model TPMN321 (also referenced as TPMN160304), is a triangle (T) indexable turning insert. The manufacturer part number is TPMN321-AC5025S. This insert is designed for turning…
SKU 3G-OTH-323467
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Product Description
The SUMITOMO Triangle Turning Insert, model TPMN321 (also referenced as TPMN160304), is a triangle (T) indexable turning insert. The manufacturer part number is TPMN321-AC5025S. This insert is designed for turning operations.
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 TPMN321 turning insert used for?
The SUMITOMO TPMN321 (also TPMN160304) is a triangle indexable turning insert used for general turning operations on lathes. It is suitable for machining steel, stainless steel, and cast iron in automotive, aerospace, and general manufacturing applications.
What are the specifications of the SUMITOMO TPMN321 insert?
The SUMITOMO TPMN321 insert has a triangle shape (T) and is also referenced as TPMN160304. The manufacturer part number is TPMN321-AC5025S. It is designed for turning operations and uses the AC5025S grade for balanced wear resistance and toughness.
Where to buy SUMITOMO TPMN321 inserts worldwide?
You can order SUMITOMO TPMN321 inserts through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time.
How to select the correct SUMITOMO turning insert for a lathe?
Select the insert shape (triangle T), size (IC 9.525 mm for TPMN321), and grade (AC5025S) based on your workpiece material and cutting conditions. The SUMITOMO TPMN321 is suitable for medium turning of steel and cast iron. Consult the manufacturer's catalog for feed and speed recommendations.
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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.















