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SUMITOMO Diamond Turning Insert: CNMG642EMU - Diamond Indexable Turning Inserts
SUMITOMODiamond Indexable Turning Inserts

SUMITOMO Diamond Turning Insert: CNMG642EMU

The SUMITOMO Diamond Turning Insert is a diamond indexable turning insert available in models CNMG642EMU and CNMG190608NMU, with manufacturer part number CNMG642EMU-AC830P. Key specifications include attr257732…

SKU 3G-OTH-261552

Brand
SUMITOMO
Item
Diamond Turning Insert: CNMG642EMU
Category
Diamond Indexable Turning Inserts
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Technical Specifications

SUMITOMO
Manufacturer Part Number
CNMG642EMU-AC830P
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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 CNMG642EMU and CNMG190608NMU, with manufacturer part number CNMG642EMU-AC830P. Key specifications include attr257732: CNMG642EMU and attr257733: CNMG190608NMU.

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. Its diamond tip provides superior wear resistance and surface finish in turning, facing, and boring operations across automotive, aerospace, and general manufacturing industries.

What are the specifications of the SUMITOMO CNMG642EMU-AC830P?

The SUMITOMO CNMG642EMU-AC830P is a diamond indexable turning insert with model numbers CNMG642EMU and CNMG190608NMU. It features a CNMG geometry for 80° rhombic shape, suitable for medium to finishing cuts. The AC830P grade indicates a PVD-coated carbide substrate for extended tool life.

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 CNMG642EMU-AC830P or other SUMITOMO insert grades.

How to select the correct SUMITOMO turning insert grade?

Select the SUMITOMO turning insert grade based on workpiece material and cutting conditions. For non-ferrous metals and composites, the AC830P grade offers excellent wear resistance. Match the insert shape (CNMG) and size (642 or 190608) to your tool holder. 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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