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SUMITOMO Diamond Turning Insert: CNMA643 - Diamond Indexable Turning Inserts
SUMITOMODiamond Indexable Turning Inserts

SUMITOMO Diamond Turning Insert: CNMA643

The SUMITOMO Diamond Turning Insert, model CNMA643 (also referenced as CNMA190612, MPN CNMA643-AC405K), is a diamond indexable turning insert designed for machining applications. Key specifications include the insert…

SKU 3G-OTH-256281

Also listed as: CNMA643AC405K · CNMA643 AC405K

Brand
SUMITOMO
Item
Diamond Turning Insert: CNMA643
Category
Diamond Indexable Turning Inserts
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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
CNMA643-AC405K

Technical Documents

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

Product Description

The SUMITOMO Diamond Turning Insert, model CNMA643 (also referenced as CNMA190612, MPN CNMA643-AC405K), is a diamond indexable turning insert designed for machining applications. Key specifications include the insert geometry CNMA643 and CNMA190612.

Frequently Asked Questions

What is the SUMITOMO CNMA643 diamond turning insert used for?

The SUMITOMO CNMA643 diamond turning insert is used for precision machining of non-ferrous materials, such as aluminum alloys and copper. Its diamond composition provides high wear resistance and a superior surface finish in turning operations.

What are the specifications of the SUMITOMO CNMA643 insert?

The SUMITOMO CNMA643 diamond turning insert has the geometry CNMA643, also referenced as CNMA190612. The manufacturer part number is CNMA643-AC405K. It is a diamond indexable turning insert designed for high-performance machining.

Where to buy SUMITOMO diamond turning inserts worldwide?

You can source SUMITOMO diamond turning inserts worldwide through 3G Electric. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on the CNMA643-AC405K model.

How to select the correct SUMITOMO diamond turning insert?

To select the correct SUMITOMO diamond turning insert, match the insert geometry (e.g., CNMA643 or CNMA190612) to your tool holder and workpiece material. Diamond inserts are ideal for non-ferrous materials. Consult your machine specifications and application requirements for optimal results.

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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