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SUMITOMO Diamond Turning Insert: CPMA321 - Diamond Indexable Turning Inserts
SUMITOMODiamond Indexable Turning Inserts

SUMITOMO Diamond Turning Insert: CPMA321

The SUMITOMO Diamond Turning Insert is a diamond indexable turning insert available in models CPMA321 and CPMA090304, with manufacturer part number CPMA321-AC420K. Key specifications include attr257732: CPMA321 and…

SKU 3G-OTH-261830

Brand
SUMITOMO
Item
Diamond Turning Insert: CPMA321
Category
Diamond Indexable Turning Inserts
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Technical Specifications

SUMITOMO
Manufacturer Part Number
CPMA321-AC420K
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SUMITOMO Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SUMITOMO Diamond Turning Insert is a diamond indexable turning insert available in models CPMA321 and CPMA090304, with manufacturer part number CPMA321-AC420K. Key specifications include attr257732: CPMA321 and attr257733: CPMA090304.

Frequently Asked Questions

What is the SUMITOMO Diamond Turning Insert used for?

The SUMITOMO Diamond Turning Insert is used for precision turning operations on non-ferrous materials, such as aluminum alloys and copper. It is commonly applied in automotive, aerospace, and general machining industries where high surface finish and dimensional accuracy are required.

What are the specifications of the SUMITOMO Diamond Turning Insert?

The SUMITOMO Diamond Turning Insert is available in models CPMA321 and CPMA090304, with manufacturer part number CPMA321-AC420K. It is a diamond indexable turning insert designed for high-precision machining. For detailed dimensions and grade information, consult the manufacturer's datasheet.

Where to buy SUMITOMO Diamond Turning Insert worldwide?

You can source the SUMITOMO Diamond Turning Insert 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 item.

How to select the correct SUMITOMO Diamond Turning Insert?

To select the correct SUMITOMO Diamond Turning Insert, match the insert model (CPMA321 or CPMA090304) to your tool holder's pocket geometry and your workpiece material. For non-ferrous materials, the diamond grade provides excellent wear resistance. Consult SUMITOMO's application guide for feed and speed recommendations.

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 diamond 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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