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SUMITOMO Triangle Turning Insert: TPMN221 - Triangle (T) Indexable Turning Inserts
SUMITOMOTriangle (T) Indexable Turning Inserts

SUMITOMO Triangle Turning Insert: TPMN221

The SUMITOMO Triangle Turning Insert, model TPMN221 (MPN TPMN221-AC420K), is a triangle (T) indexable turning insert. It is also referenced as TPMN110304. This insert is designed for turning operations and is…

SKU 3G-OTH-323750

Also listed as: TPMN221AC420K · TPMN221 AC420K

Brand
SUMITOMO
Item
Triangle Turning Insert: TPMN221
Category
Triangle (T) Indexable Turning Inserts
Available to Order
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

SUMITOMO
Manufacturer Part Number
TPMN221-AC420K

Technical Documents

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

Product Description

The SUMITOMO Triangle Turning Insert, model TPMN221 (MPN TPMN221-AC420K), is a triangle (T) indexable turning insert. It is also referenced as TPMN110304. This insert is designed for turning operations and is manufactured by SUMITOMO.

Frequently Asked Questions

What is the SUMITOMO TPMN221 triangle turning insert used for?

The SUMITOMO TPMN221 (also referenced as TPMN110304) is a triangle indexable turning insert used for general turning operations on lathes. It is suitable for machining a variety of materials and is manufactured by SUMITOMO. 3G Electric supplies this insert globally.

What are the specifications of the SUMITOMO TPMN221-AC420K insert?

The SUMITOMO TPMN221-AC420K is a triangle (T) indexable turning insert with manufacturer part number TPMN221-AC420K. It is also referenced as TPMN110304. The insert is designed for turning applications and is produced by SUMITOMO. 3G Electric sources and delivers this insert worldwide.

Where to buy SUMITOMO TPMN221 turning inserts worldwide?

3G Electric supplies SUMITOMO TPMN221 (TPMN110304) triangle turning inserts to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us to order this SUMITOMO insert for your turning operations.

How to select the correct SUMITOMO triangle turning insert for my lathe?

To select the correct SUMITOMO triangle turning insert, verify your lathe's tool holder accepts TPMN221 or TPMN110304 geometry. Confirm the insert size matches your holder's pocket and that the grade (e.g., AC420K) suits your workpiece material. 3G Electric can help you confirm compatibility before ordering.

Used in

Common applications for SUMITOMO
Automotive engine block machining — Sumitomo SNMG square turning inserts for facing and boring cast iron
Aerospace component turning — Sumitomo DNMG diamond inserts with UP chipbreaker for finishing titanium alloys
Oil and gas valve production — Sumitomo TPMR triangle inserts with T1500Z grade for threading stainless steel
General engineering shaft turning — Sumitomo CNMG diamond inserts with LU chipbreaker for medium interrupted cuts
Mold and die finishing — Sumitomo VNMG diamond inserts with UZ chipbreaker for hardened steel profiling
Heavy equipment repair — Sumitomo TCMT triangle inserts with AC810P grade for turning wear-resistant steels

SUMITOMO Products

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.

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Compatible alternatives & equivalents

Cross-referenced by specification & description
SUMITOMO Triangle Turning Insert: TPMN222, TPMN110308 (MPN TPMN222-AC420K)
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SUMITOMO Triangle Turning Insert: TPMN222, TPMN110308 (MPN TPMN222-AC420K)
SUMITOMO Triangle Turning Insert: TPMR221ENF, TPMR110304N-SF (MPN TPMR221ENF-AC8025P)
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SUMITOMO Triangle Turning Insert: TPMR221ENF, TPMR110304N-SF (MPN TPMR221ENF-AC8025P)
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SUMITOMO Triangle Turning Insert: TPMR222ENF, TPMR110308N-SF (MPN TPMR222ENF-AC830P)
SUMITOMO Triangle Turning Insert: TPMR222ENF, TPMR110308N-FK (MPN TPMR222ENF-AC8025P)
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SUMITOMO Triangle Turning Insert: TPMR222ENF, TPMR110308N-FK (MPN TPMR222ENF-AC8025P)
SUMITOMO Triangle Turning Insert: TPMR221EFK, TPMR090208N-FK (MPN TPMR221EFK-T1500Z)
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SUMITOMO Triangle Turning Insert: TPMR221EFK, TPMR090208N-FK (MPN TPMR221EFK-T1500Z)
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SUMITOMO Triangle Turning Insert: TPMN433, TPMN220412 (MPN TPMN433-AC8025P)

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