SUMITOMO Diamond Turning Insert: CPMT2.51.51EMU
The SUMITOMO Diamond Turning Insert is a diamond indexable turning insert available in models CPMT2.51.51EMU and CPMT080204NMU, with manufacturer part number CPMT2.51.51EMU-AC420K. This product is designed for…
SKU 3G-OTH-258552
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Product Description
The SUMITOMO Diamond Turning Insert is a diamond indexable turning insert available in models CPMT2.51.51EMU and CPMT080204NMU, with manufacturer part number CPMT2.51.51EMU-AC420K. This product is designed for precision machining applications.
Frequently Asked Questions
What is the SUMITOMO Diamond Turning Insert used for?
The SUMITOMO Diamond Turning Insert is used for precision machining applications such as finishing and light roughing of non-ferrous metals, plastics, and composites. Its CPMT geometry and AC420K grade deliver sharp cutting edges and wear resistance for consistent surface finish in CNC turning operations.
What are the specifications of the SUMITOMO CPMT2.51.51EMU-AC420K?
The SUMITOMO Diamond Turning Insert has model numbers CPMT2.51.51EMU and CPMT080204NMU, with manufacturer part number CPMT2.51.51EMU-AC420K. It is a diamond indexable turning insert designed for precision machining. For detailed dimensions and tolerances, consult the manufacturer's datasheet.
Where to buy SUMITOMO Diamond Turning Inserts worldwide?
3G Electric supplies SUMITOMO Diamond Turning Inserts worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver to your facility. Contact us for pricing and lead time on the CPMT2.51.51EMU-AC420K or other SUMITOMO insert grades.
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. The AC420K grade is suited for non-ferrous and abrasive materials. For steel or stainless applications, consult SUMITOMO's grade chart. 3G Electric can help match the insert to your operation.
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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.















