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SUMITOMO SPMN321-AC420K Square Indexable Turning Insert - Square (S) Indexable Turning Inserts
SUMITOMOSquare (S) Indexable Turning Inserts

SUMITOMO SPMN321-AC420K Square Indexable Turning Insert

The SUMITOMO Square Turning Insert, model SPMN321 (MPN SPMN321-AC420K) and SPMN090304, is a square (S) indexable turning insert designed for metal-cutting operations. This product is offered by SUMITOMO and is…

SKU 3G-OTH-229803

Also listed as: SPMN321AC420K · SPMN321 AC420K

Brand
SUMITOMO
Item
SPMN321-AC420K Square Indexable Turning Insert
Part Number
SPMN321-AC420K
Category
Square (S) Indexable Turning Inserts
Available to Order
Also known as:SPMN321-AC420KSUMITOMO
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

SUMITOMO
Manufacturer Part Number
SPMN321-AC420K
Model
SPMN321-AC420K

Technical Documents

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

Product Description

The SUMITOMO Square Turning Insert, model SPMN321 (MPN SPMN321-AC420K) and SPMN090304, is a square (S) indexable turning insert designed for metal-cutting operations. This product is offered by SUMITOMO and is identified by SKU SPMN321-AC420K.

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 Square Turning Insert SPMN321 used for?

The SUMITOMO Square Turning Insert SPMN321 is used for metal-cutting turning operations. Its square (S) indexable design provides four cutting edges, making it suitable for general-purpose machining of steel, stainless steel, and cast iron in industrial manufacturing.

What are the specifications of the SUMITOMO SPMN321 insert?

The SUMITOMO SPMN321 insert has model numbers SPMN321 and SPMN090304, with manufacturer part number SPMN321-AC420K. It is a square (S) indexable turning insert designed for metal cutting. The AC420K grade offers wear resistance for medium to heavy machining.

Where to buy SUMITOMO SPMN321 turning inserts worldwide?

You can source SUMITOMO SPMN321 turning inserts through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring reliable supply for your machining operations.

How to select the correct SUMITOMO square turning insert?

To select the correct SUMITOMO square turning insert, match the insert size (SPMN321 or SPMN090304) to your tool holder's pocket. Consider workpiece material and cutting conditions; the AC420K grade is suited for steel and cast iron. Always verify the manufacturer part number SPMN321-AC420K for compatibility.

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
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SUMITOMO Products

3G Electric supplies SUMITOMO square (s) 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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