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SUMITOMO Diamond Turning Insert: CNMG643EME - Diamond Indexable Turning Inserts
SUMITOMODiamond Indexable Turning Inserts

SUMITOMO Diamond Turning Insert: CNMG643EME

The SUMITOMO Diamond Turning Insert, model CNMG643EME (also designated CNMG190612N-ME, MPN CNMG643EME-AC8025P), is a diamond indexable turning insert. It is available in two part number designations: CNMG643EME and…

SKU 3G-OTH-260570

Brand
SUMITOMO
Item
Diamond Turning Insert: CNMG643EME
Category
Diamond Indexable Turning Inserts
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Technical Specifications

SUMITOMO
Manufacturer Part Number
CNMG643EME-AC8025P
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SUMITOMO Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SUMITOMO Diamond Turning Insert, model CNMG643EME (also designated CNMG190612N-ME, MPN CNMG643EME-AC8025P), is a diamond indexable turning insert. It is available in two part number designations: CNMG643EME and CNMG190612N-ME.

Frequently Asked Questions

What is the SUMITOMO CNMG643EME diamond turning insert used for?

The SUMITOMO CNMG643EME (also CNMG190612N-ME) is a diamond indexable turning insert for precision machining of non-ferrous materials, composites, and abrasive alloys. It delivers high wear resistance and surface finish in turning, facing, and boring operations across automotive, aerospace, and general engineering industries.

What are the specifications of the SUMITOMO CNMG643EME-AC8025P insert?

The SUMITOMO CNMG643EME-AC8025P is a diamond indexable turning insert with part numbers CNMG643EME and CNMG190612N-ME. It features a CNMG geometry for 80° rhombic shape, designed for medium to finishing cuts. The AC8025P grade indicates a PVD-coated carbide substrate optimized for wear resistance and edge strength.

Where to buy SUMITOMO diamond turning inserts worldwide?

3G Electric supplies SUMITOMO diamond turning inserts like the CNMG643EME-AC8025P to customers worldwide. As a global industrial sourcing partner, we handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this insert.

How to select the correct SUMITOMO turning insert grade?

Selecting the correct SUMITOMO turning insert grade depends on workpiece material, cutting speed, and finish requirements. For non-ferrous and abrasive materials, the AC8025P grade on the CNMG643EME insert offers good wear resistance. Always match insert geometry (CNMG) to your tool holder and consult SUMITOMO's application guidelines for optimal parameters.

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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