SUMITOMO Diamond Turning Insert: DCMT21.52EFB

The SUMITOMO DCMT21.52EFB (also DCMT070208N-FB) is a diamond indexable turning insert used for precision machining of non-ferrous materials, composites, and abrasive plastics. It is commonly applied in automotive, aerospace, and general manufacturing for finishing and semi-finishing operations where tight tolerances and superior surface finish are required.

The SUMITOMO DCMT21.52EFB-T1500A insert is designated as DCMT21.52EFB and DCMT070208N-FB. It is a diamond indexable turning insert with a 55° diamond shape, 7 mm inscribed circle, 2.38 mm thickness, and 0.8 mm nose radius. The T1500A grade is optimized for wear resistance in non-ferrous machining.

SUMITOMO diamond turning inserts like the DCMT21.52EFB are available to order through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we source and deliver genuine SUMITOMO inserts to your location.

To select the correct SUMITOMO diamond turning insert, match the insert shape (DCMT), size (IC 7 mm), thickness (2.38 mm), and nose radius (0.8 mm) to your tool holder specifications. Ensure the grade (T1500A) suits your workpiece material—non-ferrous metals, plastics, or composites. Consult your machine manual or a SUMITOMO application engineer for optimal results.