SUMITOMO Triangle Turning Insert: TPMR321ENF
The SUMITOMO Triangle Turning Insert, model TPMR321ENF (MPN TPMR321ENF-AC830P) and TPMR322ENF, is a Triangle (T) indexable turning insert. It is available in two variants: TPMR321ENF and TPMR322ENF.
SKU 3G-OTH-322724
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Product Description
The SUMITOMO Triangle Turning Insert, model TPMR321ENF (MPN TPMR321ENF-AC830P) and TPMR322ENF, is a Triangle (T) indexable turning insert. It is available in two variants: TPMR321ENF and TPMR322ENF.
Frequently Asked Questions
What is the SUMITOMO TPMR321ENF triangle turning insert used for?
The SUMITOMO TPMR321ENF is a triangle (T) indexable turning insert designed for general turning, facing, and profiling operations on metal workpieces. It is commonly used in CNC lathes and manual lathes for medium-duty machining of steel, stainless steel, and cast iron.
What are the specifications of the SUMITOMO TPMR321ENF and TPMR322ENF inserts?
The SUMITOMO TPMR321ENF and TPMR322ENF are triangle indexable turning inserts. The TPMR321ENF has MPN TPMR321ENF-AC830P. Both variants share the triangle shape and are designed for turning applications. The AC830P grade is a SUMITOMO coating optimized for wear resistance in steel machining.
Where to buy SUMITOMO TPMR321ENF turning inserts worldwide?
You can source SUMITOMO TPMR321ENF turning inserts worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. 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 (TPMR321ENF or TPMR322ENF) to your tool holder's pocket and clamping system. Consider the workpiece material and cutting conditions; the AC830P grade is suitable for steel. Always verify the insert's inscribed circle and thickness against your holder specs.
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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.















