SUMITOMO Triangle Turning Insert: TCMT21.51ESU
The SUMITOMO Triangle Turning Insert, model TCMT21.51ESU (also referenced as TCMT110204NSU and MPN TCMT21.51ESU-AC700G), is a triangle (T) indexable turning insert. It is supplied with the manufacturer part number…
SKU 3G-OTH-324430
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Product Description
The SUMITOMO Triangle Turning Insert, model TCMT21.51ESU (also referenced as TCMT110204NSU and MPN TCMT21.51ESU-AC700G), is a triangle (T) indexable turning insert. It is supplied with the manufacturer part number TCMT21.51ESU-AC700G.
Frequently Asked Questions
What is the SUMITOMO TCMT21.51ESU triangle turning insert used for?
The SUMITOMO TCMT21.51ESU (also TCMT110204NSU) is a triangle indexable turning insert used for general turning, facing, and profiling on CNC lathes. It is designed for machining steel, stainless steel, and cast iron in automotive, aerospace, and general engineering applications.
What are the specifications of the SUMITOMO TCMT21.51ESU turning insert?
The SUMITOMO TCMT21.51ESU is a triangle (T) indexable turning insert with manufacturer part number TCMT21.51ESU-AC700G. It is also referenced as TCMT110204NSU. The insert features a 7° clearance angle and is supplied with AC700G grade for wear resistance in medium machining.
Where to buy SUMITOMO TCMT21.51ESU turning inserts worldwide?
You can source SUMITOMO TCMT21.51ESU (TCMT110204NSU) turning inserts worldwide through 3G Electric. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time.
How to select the correct SUMITOMO triangle turning insert for my lathe?
To select the correct SUMITOMO triangle turning insert, match the insert size (TCMT21.51ESU or TCMT110204NSU) to your tool holder's pocket. Ensure the insert's clearance angle (7°) and grade (AC700G) suit your workpiece material and cutting conditions. Consult your tool holder manual for compatibility.
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3G Electric supplies SUMITOMO triangle (t) indexable turning inserts. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















