WIDIA Triangle Turning Insert: TPMR321
The WIDIA Triangle Turning Insert, model TPMR321 / TPMR160304 (MPN 4170861), is a triangle (T) indexable turning insert. It is available in two size designations: TPMR321 and TPMR160304.
SKU 3G-OTH-323971
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Product Description
The WIDIA Triangle Turning Insert, model TPMR321 / TPMR160304 (MPN 4170861), is a triangle (T) indexable turning insert. It is available in two size designations: TPMR321 and TPMR160304.
Frequently Asked Questions
What is the WIDIA TPMR321 / TPMR160304 turning insert used for?
The WIDIA Triangle Turning Insert TPMR321 / TPMR160304 (MPN 4170861) is used for general turning, facing, and profiling operations on metal workpieces. Its triangular shape provides three cutting edges for cost-effective machining of steels, stainless steels, and cast irons in industrial manufacturing.
What are the specifications of the WIDIA TPMR321 / TPMR160304 insert?
This WIDIA insert is a triangle (T) indexable turning insert available in two size designations: TPMR321 and TPMR160304. The manufacturer part number is 4170861. It is designed for use with compatible tool holders and offers multiple cutting edges for efficient metal removal.
Where to buy WIDIA TPMR321 / TPMR160304 turning inserts worldwide?
3G Electric supplies WIDIA TPMR321 / TPMR160304 (MPN 4170861) turning inserts worldwide. 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.
How to select the correct WIDIA triangle turning insert for your lathe?
To select the correct WIDIA triangle turning insert, match the insert size designation (TPMR321 or TPMR160304) to your tool holder's pocket and clamping system. Consider workpiece material and cutting conditions. For application-specific advice, consult WIDIA's technical documentation or contact 3G Electric for sourcing support.
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3G Electric supplies WIDIA triangle (t) indexable turning inserts. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















