Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
RFQ CartGet a QuoteSign inSign up
SUMITOMO Diamond Turning Insert: CNMG866EMU - Diamond Indexable Turning Inserts
SUMITOMODiamond Indexable Turning Inserts

SUMITOMO Diamond Turning Insert: CNMG866EMU

The SUMITOMO Diamond Turning Insert, available in models CNMG866EMU and CNMG250924N-MU (MPN CNMG866EMU-AC5025S), is a diamond indexable turning insert designed for industrial machining. These inserts are offered…

SKU 3G-OTH-260781

Brand
SUMITOMO
Item
Diamond Turning Insert: CNMG866EMU
Category
Diamond Indexable Turning Inserts
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

SUMITOMO
Manufacturer Part Number
CNMG866EMU-AC5025S
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The SUMITOMO Diamond Turning Insert, available in models CNMG866EMU and CNMG250924N-MU (MPN CNMG866EMU-AC5025S), is a diamond indexable turning insert designed for industrial machining. These inserts are offered under SKU 54YV16 and are manufactured by SUMITOMO.

Frequently Asked Questions

What is the SUMITOMO Diamond Turning Insert used for?

The SUMITOMO Diamond Turning Insert is used for precision machining of non-ferrous materials, composites, and abrasive alloys in industrial turning operations. Its diamond tip provides superior wear resistance and surface finish in automotive, aerospace, and general manufacturing applications.

What are the specifications of the SUMITOMO CNMG866EMU-AC5025S?

The SUMITOMO CNMG866EMU-AC5025S is a diamond indexable turning insert with model numbers CNMG866EMU and CNMG250924N-MU. It is manufactured by SUMITOMO and designed for high-performance machining. For detailed geometry and grade data, consult the manufacturer's technical documentation.

Where to buy SUMITOMO Diamond Turning Inserts worldwide?

3G Electric supplies SUMITOMO Diamond Turning Inserts 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 the CNMG866EMU-AC5025S or other SUMITOMO insert grades.

How to select the correct SUMITOMO diamond turning insert?

Select the SUMITOMO diamond turning insert based on workpiece material, required surface finish, and cutting parameters. The CNMG866EMU and CNMG250924N-MU geometries suit different depths of cut and feed rates. Consult the SUMITOMO application guide or contact 3G Electric for technical support.

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.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

Similar products

Matched by specification & description
SUMITOMO Diamond Turning Insert: CNMG866EMU, CNMG250924N-MU (MPN CNMG866EMU-AC5015S). Key specifications — attr257732: CNMG866EMU; attr257733: CNMG250924N-MU.
SUMITOMO
SUMITOMO Diamond Turning Insert: CNMG866EMU, CNMG250924N-MU (MPN CNMG866EMU-AC5015S). Key specifications — attr257732: CNMG866EMU; attr257733: CNMG250924N-MU.
SUMITOMO
SUMITOMO
SUMITOMO Diamond Turning Insert: CNMG866EEM, CNMG250924N-EM (MPN CNMG866EEM-AC5015S). Key specifications — attr257732: CNMG866EEM; attr257733: CNMG250924N-EM.
SUMITOMO
SUMITOMO
SUMITOMO Diamond Turning Insert: CNMG866EEM, CNMG250924N-EM (MPN CNMG866EEM-AC5025S). Key specifications — attr257732: CNMG866EEM; attr257733: CNMG250924N-EM.
SUMITOMO Diamond Turning Insert: CNMG644EMU, CNMG190616N-MU (MPN CNMG644EMU-AC5015S). Key specifications — attr257732: CNMG644EMU; attr257733: CNMG190616N-MU.
SUMITOMO
SUMITOMO Diamond Turning Insert: CNMG644EMU, CNMG190616N-MU (MPN CNMG644EMU-AC5015S). Key specifications — attr257732: CNMG644EMU; attr257733: CNMG190616N-MU.
SUMITOMO Diamond Turning Insert: CNMG644EMU, CNMG190616N-MU (MPN CNMG644EMU-AC5025S). Key specifications — attr257732: CNMG644EMU; attr257733: CNMG190616N-MU.
SUMITOMO
SUMITOMO Diamond Turning Insert: CNMG644EMU, CNMG190616N-MU (MPN CNMG644EMU-AC5025S). Key specifications — attr257732: CNMG644EMU; attr257733: CNMG190616N-MU.
SUMITOMO Diamond Turning Insert: CNMG643EMU, CNMG190612N-MU (MPN CNMG643EMU-AC5015S). Key specifications — attr257732: CNMG643EMU; attr257733: CNMG190612N-MU.
SUMITOMO
SUMITOMO Diamond Turning Insert: CNMG643EMU, CNMG190612N-MU (MPN CNMG643EMU-AC5015S). Key specifications — attr257732: CNMG643EMU; attr257733: CNMG190612N-MU.

More from SUMITOMO

View all SUMITOMO parts →
SUMITOMO Diamond Turning Insert: DCMT21.51ESU, DCMT070204NSU (MPN DCMT21.51ESU-T1500Z). Key specifications — attr257732: DCMT21.51ESU; attr257733: DCMT070204NSU.
SUMITOMO
SUMITOMO Diamond Turning Insert: DCMT21.51ESU, DCMT070204NSU (MPN DCMT21.51ESU-T1500Z). Key specifications — attr257732: DCMT21.51ESU; attr257733: DCMT070204NSU.
SUMITOMO Diamond Turning Insert: DCGT21.50.5MESI, DCGT070202MN-SI (MPN DCGT21.50.5MESI-AC5025S). Key specifications — attr257732: DCGT21.50.5MESI; attr257733: DCGT070202MN-SI.
SUMITOMO
SUMITOMO Diamond Turning Insert: DCGT21.50.5MESI, DCGT070202MN-SI (MPN DCGT21.50.5MESI-AC5025S). Key specifications — attr257732: DCGT21.50.5MESI; attr257733: DCGT070202MN-SI.
SUMITOMO Diamond Turning Insert: VNMG332EEG, VNMG160408N-EG (MPN VNMG332EEG-AC6040M). Key specifications — attr257732: VNMG332EEG; attr257733: VNMG160408N-EG.
SUMITOMO
SUMITOMO Diamond Turning Insert: VNMG332EEG, VNMG160408N-EG (MPN VNMG332EEG-AC6040M). Key specifications — attr257732: VNMG332EEG; attr257733: VNMG160408N-EG.
SUMITOMO Diamond Turning Insert: DNMG333EGE, DNMG110412N-GE (MPN DNMG333EGE-AC8025P). Key specifications — attr257732: DNMG333EGE; attr257733: DNMG110412N-GE.
SUMITOMO
SUMITOMO Diamond Turning Insert: DNMG333EGE, DNMG110412N-GE (MPN DNMG333EGE-AC8025P). Key specifications — attr257732: DNMG333EGE; attr257733: DNMG110412N-GE.
SUMITOMO Diamond Turning Insert: VCMT331ESU, VCMT160404NSU (MPN VCMT331ESU-AC830P). Key specifications — attr257732: VCMT331ESU; attr257733: VCMT160404NSU.
SUMITOMO
SUMITOMO Diamond Turning Insert: VCMT331ESU, VCMT160404NSU (MPN VCMT331ESU-AC830P). Key specifications — attr257732: VCMT331ESU; attr257733: VCMT160404NSU.
SUMITOMO Diamond Turning Insert: CPMT2.51.52ESU, CPMT080208NSU (MPN CPMT2.51.52ESU-AC6030M). Key specifications — attr257732: CPMT2.51.52ESU; attr257733: CPMT080208NSU.
SUMITOMO
SUMITOMO Diamond Turning Insert: CPMT2.51.52ESU, CPMT080208NSU (MPN CPMT2.51.52ESU-AC6030M). Key specifications — attr257732: CPMT2.51.52ESU; attr257733: CPMT080208NSU.
SUMITOMO Diamond Turning Insert: 2NC-CCGA32.51, 2NC-CCGW09T304 (MPN 2NCCCGA32.51-BNC2020). Key specifications — attr257732: 2NC-CCGA32.51; attr257733: 2NC-CCGW09T304.
SUMITOMO
SUMITOMO Diamond Turning Insert: 2NC-CCGA32.51, 2NC-CCGW09T304 (MPN 2NCCCGA32.51-BNC2020). Key specifications — attr257732: 2NC-CCGA32.51; attr257733: 2NC-CCGW09T304.
SUMITOMO Diamond Turning Insert: 2NU-CNGA432, 2NU-CNGA120408 (MPN 2NUCNGA432-BN7000). Key specifications — attr257732: 2NU-CNGA432; attr257733: 2NU-CNGA120408.
SUMITOMO
SUMITOMO Diamond Turning Insert: 2NU-CNGA432, 2NU-CNGA120408 (MPN 2NUCNGA432-BN7000). Key specifications — attr257732: 2NU-CNGA432; attr257733: 2NU-CNGA120408.