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

SUMITOMO DPMT21.51ESU-AC820P Diamond Indexable Turning Insert - Diamond Indexable Turning Inserts
SUMITOMODiamond Indexable Turning Inserts

SUMITOMO DPMT21.51ESU-AC820P Diamond Indexable Turning Insert

The SUMITOMO Diamond Turning Insert, available as models DPMT21.51ESU and DPMT070204NSU (MPN DPMT21.51ESU-AC820P), is a diamond indexable turning insert from SUMITOMO. It is designed for turning operations and is…

SKU 3G-OTH-259600

Also listed as: DPMT2151ESUAC820P · DPMT21 51ESU AC820P · DPMT21-51ESU-AC820P

Brand
SUMITOMO
Item
DPMT21.51ESU-AC820P Diamond Indexable Turning Insert
Category
Diamond Indexable Turning Inserts
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
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

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
DPMT21.51ESU-AC820P

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 as models DPMT21.51ESU and DPMT070204NSU (MPN DPMT21.51ESU-AC820P), is a diamond indexable turning insert from SUMITOMO. It is designed for turning operations and is offered in two specific geometries.

Frequently Asked Questions

What is the SUMITOMO Diamond Turning Insert used for?

The SUMITOMO Diamond Turning Insert is used for precision turning operations on a variety of materials. As a diamond indexable insert, it delivers high wear resistance and surface finish in machining applications across industries such as automotive, aerospace, and general manufacturing.

What are the specifications of the SUMITOMO DPMT21.51ESU-AC820P?

The SUMITOMO DPMT21.51ESU-AC820P is a diamond indexable turning insert with model numbers DPMT21.51ESU and DPMT070204NSU. It is designed for turning operations and is manufactured by SUMITOMO. 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 solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on the DPMT21.51ESU-AC820P or other SUMITOMO insert models.

How to select the correct SUMITOMO diamond turning insert?

To select the correct SUMITOMO diamond turning insert, match the insert geometry (DPMT21.51ESU or DPMT070204NSU) to your workpiece material and turning operation. Consider insert grade, nose radius, and chipbreaker design. 3G Electric can help interpret your application requirements and source the right SUMITOMO insert.

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

Compatible alternatives & equivalents

Cross-referenced by specification & description
Diamond indexable turning insert for precision machining of hard materials such as ceramics, composites, and non-ferrous metals. Used in turning operations requiring high surface finish and dimensional accuracy
SUMITOMO
Diamond indexable turning insert for precision machining of hard materials such as ceramics, composites, and non-ferrous metals. Used in turning operations requiring high surface finish and dimensional accuracy
Diamond indexable turning insert with DPMT geometry, suitable for precision machining of non-ferrous materials, composites, and abrasive alloys. Used in turning, facing, and profiling operations for fine finishing and light roughing
SUMITOMO
Diamond indexable turning insert with DPMT geometry, suitable for precision machining of non-ferrous materials, composites, and abrasive alloys. Used in turning, facing, and profiling operations for fine finishing and light roughing
Diamond indexable turning insert for precision machining of non-ferrous materials, composites, and abrasive alloys. Used in turning, facing, and profiling operations. Delivers high surface finish and extended tool life
SUMITOMO
Diamond indexable turning insert for precision machining of non-ferrous materials, composites, and abrasive alloys. Used in turning, facing, and profiling operations. Delivers high surface finish and extended tool life
Diamond indexable turning insert for precision turning operations on lathes. Suitable for finishing and semi-finishing of non-ferrous materials, plastics, and composites. Available in DNMG433EUX and DNMG150412NUX geometries
SUMITOMO
Diamond indexable turning insert for precision turning operations on lathes. Suitable for finishing and semi-finishing of non-ferrous materials, plastics, and composites. Available in DNMG433EUX and DNMG150412NUX geometries
Diamond indexable turning insert for precision machining of non-ferrous materials such as aluminum alloys and plastics. Suitable for turning operations requiring superior wear resistance and surface finish
SUMITOMO
Diamond indexable turning insert for precision machining of non-ferrous materials such as aluminum alloys and plastics. Suitable for turning operations requiring superior wear resistance and surface finish
Diamond indexable turning insert for precision machining of non-ferrous materials, composites, and abrasive alloys. Commonly used in finishing and semi-finishing operations requiring tight tolerances and surface finish. Designations include CCMT21.52ESU and CCMT060208NSU
SUMITOMO
Diamond indexable turning insert for precision machining of non-ferrous materials, composites, and abrasive alloys. Commonly used in finishing and semi-finishing operations requiring tight tolerances and surface finish. Designations include CCMT21.52ESU and CCMT060208NSU

More from SUMITOMO

View all SUMITOMO parts
Diamond indexable turning insert for precision machining of non-ferrous materials, composites, and plastics. Suitable for high-speed finishing operations requiring tight tolerances
SUMITOMO
Diamond indexable turning insert for precision machining of non-ferrous materials, composites, and plastics. Suitable for high-speed finishing operations requiring tight tolerances
Diamond indexable turning insert for precision machining of non-ferrous materials. Suitable for finishing operations on aluminum alloys and composites, offering high wear resistance and surface finish. Also designated as VNMG160408N-EG
SUMITOMO
Diamond indexable turning insert for precision machining of non-ferrous materials. Suitable for finishing operations on aluminum alloys and composites, offering high wear resistance and surface finish. Also designated as VNMG160408N-EG
Diamond indexable turning insert for precision turning operations. Suitable for finishing and semi-finishing cuts on ferrous and non-ferrous materials in CNC lathes. Manufacturer part number DCGT21.50.5MESI-AC5025S
SUMITOMO
Diamond indexable turning insert for precision turning operations. Suitable for finishing and semi-finishing cuts on ferrous and non-ferrous materials in CNC lathes. Manufacturer part number DCGT21.50.5MESI-AC5025S
Diamond indexable turning insert for precision machining of hard materials such as ceramics, composites, and non-ferrous metals. Suitable for high-speed turning operations requiring fine surface finish and wear resistance
SUMITOMO
Diamond indexable turning insert for precision machining of hard materials such as ceramics, composites, and non-ferrous metals. Suitable for high-speed turning operations requiring fine surface finish and wear resistance
This diamond indexable turning insert features an 80° diamond shape, 0.4 mm nose radius, and 3.97 mm thickness. It is designed for light to medium cutting applications, suitable for finishing and semi-finishing operations on non-ferrous materials
SUMITOMO
This diamond indexable turning insert features an 80° diamond shape, 0.4 mm nose radius, and 3.97 mm thickness. It is designed for light to medium cutting applications, suitable for finishing and semi-finishing operations on non-ferrous materials
Diamond indexable turning insert for precision machining of non-ferrous materials, composites, and abrasive alloys. Provides wear resistance and surface finish in industrial turning operations
SUMITOMO
Diamond indexable turning insert for precision machining of non-ferrous materials, composites, and abrasive alloys. Provides wear resistance and surface finish in industrial turning operations
This diamond indexable turning insert is designed for precision turning operations. It is suitable for machining non-ferrous materials, composites, and abrasive workpieces where a sharp, wear-resistant cutting edge is required
SUMITOMO
This diamond indexable turning insert is designed for precision turning operations. It is suitable for machining non-ferrous materials, composites, and abrasive workpieces where a sharp, wear-resistant cutting edge is required
Diamond indexable turning insert for precision machining of non-ferrous materials, composites, and abrasive alloys. Suitable for turning, facing, and profiling operations. Available in models 2NC-CCGA32.51 and 2NC-CCGW09T304
SUMITOMO
Diamond indexable turning insert for precision machining of non-ferrous materials, composites, and abrasive alloys. Suitable for turning, facing, and profiling operations. Available in models 2NC-CCGA32.51 and 2NC-CCGW09T304