We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

WIDIA Triangle Turning Insert: TPU321 - Triangle (T) Indexable Turning Inserts
WIDIATriangle (T) Indexable Turning Inserts

WIDIA Triangle Turning Insert: TPU321

The WIDIA Triangle Turning Insert, model TPU321/TPUN160304 (MPN 4170645), is a triangle (T) indexable turning insert. Key specifications include the TPU321 and TPUN160304 designations.

SKU 3G-OTH-324140

Brand
WIDIA
Item
Triangle Turning Insert: TPU321
Category
Triangle (T) Indexable Turning Inserts
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

WIDIA
Manufacturer Part Number
4170645

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

WIDIA Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The WIDIA Triangle Turning Insert, model TPU321/TPUN160304 (MPN 4170645), is a triangle (T) indexable turning insert. Key specifications include the TPU321 and TPUN160304 designations.

Frequently Asked Questions

What is the WIDIA Triangle Turning Insert TPU321 used for?

The WIDIA Triangle Turning Insert TPU321 is used for general turning operations on metal workpieces. Its triangular shape provides three cutting edges for indexable use, making it suitable for roughing and finishing in industries like automotive and general machining.

What are the specifications of the WIDIA TPUN160304 insert?

The WIDIA TPUN160304 insert has the designation TPUN160304 and is part of the TPU321 series. It is a triangle (T) indexable turning insert with manufacturer part number 4170645. These specifications define its geometry and application for turning operations.

Where to buy WIDIA turning inserts in worldwide?

You can source WIDIA 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 the TPU321 or TPUN160304 insert.

How to select the correct WIDIA triangle insert for a lathe?

To select the correct WIDIA triangle insert, match the insert designation (e.g., TPU321 or TPUN160304) to your tool holder's pocket size and your material. Consider the insert's grade and chipbreaker for your operation. Consult WIDIA's technical data for feed and speed recommendations.

Used in

Common applications for WIDIA
General turning of steel components — WIDIA DCMT diamond turning inserts (e.g., DCMT3251MP)
Grooving and parting in automotive parts manufacturing — WIDIA WMTCL indexable grooving toolholders
Finishing operations on aluminum alloys — WIDIA VNMG diamond turning inserts (e.g., VNMG331ML)
Heavy-duty turning of stainless steel — WIDIA DNMG carbide inserts with MS chipbreaker (e.g., DNMG433MS)
Threading and contouring in mold making — WIDIA TCMT triangle turning inserts (e.g., TCMT3252MP)
Parting-off operations in high-volume production — WIDIA WGMEL grooving and parting toolholders

WIDIA Products

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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
WIDIA Triangle Turning Insert: TPU321, TPUN160304 (MPN 4170866)
WIDIA
WIDIA Triangle Turning Insert: TPU321, TPUN160304 (MPN 4170866)
WIDIA Triangle Turning Insert: TPU321, TPUN160304 (MPN 4170958)
WIDIA
WIDIA Triangle Turning Insert: TPU321, TPUN160304 (MPN 4170958)
WIDIA Triangle Turning Insert: TPU322, TPUN160308 (MPN 4170646)
WIDIA
WIDIA Triangle Turning Insert: TPU322, TPUN160308 (MPN 4170646)
WIDIA Triangle Turning Insert: TPU323, TPUN160312 (MPN 4170960)
WIDIA
WIDIA Triangle Turning Insert: TPU323, TPUN160312 (MPN 4170960)
WIDIA Triangle Turning Insert: TPU322, TPUN160308 (MPN 4170867)
WIDIA
WIDIA Triangle Turning Insert: TPU322, TPUN160308 (MPN 4170867)
WIDIA Triangle Turning Insert: TPU321, TPUN160304 (MPN 2028821)
WIDIA
WIDIA Triangle Turning Insert: TPU321, TPUN160304 (MPN 2028821)

More from WIDIA

View all WIDIA parts
WIDIA Triangle Turning Insert: TPG321T0220, TPGN160304T00520 (MPN 2952709)
WIDIA
WIDIA Triangle Turning Insert: TPG321T0220, TPGN160304T00520 (MPN 2952709)
WIDIA Triangle Turning Insert: TPG221, TPGN110304 (MPN 2015100)
WIDIA
WIDIA Triangle Turning Insert: TPG221, TPGN110304 (MPN 2015100)
WIDIA Triangle Turning Insert: TCMT3252MU, TCMT16T308MU (MPN 5623619)
WIDIA
WIDIA Triangle Turning Insert: TCMT3252MU, TCMT16T308MU (MPN 5623619)
WIDIA Triangle Turning Inserts: TCMT3252MU, TCMT16T308MU (MPN 6868884)
WIDIA
WIDIA Triangle Turning Inserts: TCMT3252MU, TCMT16T308MU (MPN 6868884)
WIDIA Triangle Turning Insert: TDHH13081L, TDHH07S104L (MPN 2828472)
WIDIA
WIDIA Triangle Turning Insert: TDHH13081L, TDHH07S104L (MPN 2828472)
WIDIA Triangle Turning Insert: TPHB2151, TPHB110204 (MPN 2824122)
WIDIA
WIDIA Triangle Turning Insert: TPHB2151, TPHB110204 (MPN 2824122)
WIDIA Triangle Turning Insert: TPHH322LF, TPHH160308 (MPN 2821067)
WIDIA
WIDIA Triangle Turning Insert: TPHH322LF, TPHH160308 (MPN 2821067)
WIDIA Triangle Turning Insert: TPHB2152, TPHB110208 (MPN 2824037)
WIDIA
WIDIA Triangle Turning Insert: TPHB2152, TPHB110208 (MPN 2824037)