SUMITOMO Triangle Turning Insert: TCMT21.51ELU
The SUMITOMO Triangle Turning Insert, model TCMT21.51ELU (also referenced as TCMT110204NLU, MPN TCMT21.51ELU-AC820P), is a triangle (T) indexable turning insert. It is supplied with the specifications attr257938…
SKU 3G-OTH-324192
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Product Description
The SUMITOMO Triangle Turning Insert, model TCMT21.51ELU (also referenced as TCMT110204NLU, MPN TCMT21.51ELU-AC820P), is a triangle (T) indexable turning insert. It is supplied with the specifications attr257938: TCMT21.51ELU and attr257939: TCMT110204NLU.
Frequently Asked Questions
What is the SUMITOMO TCMT21.51ELU triangle turning insert used for?
The SUMITOMO TCMT21.51ELU (also TCMT110204NLU) is a triangle indexable turning insert used for precision turning, facing, and profiling on CNC lathes. It is commonly applied in automotive, aerospace, and general machining industries for finishing operations on steel, stainless steel, and cast iron workpieces.
What are the specifications of the SUMITOMO TCMT21.51ELU turning insert?
The SUMITOMO TCMT21.51ELU is a triangle (T) indexable turning insert with model numbers TCMT21.51ELU and TCMT110204NLU. The manufacturer part number is TCMT21.51ELU-AC820P. It is designed for precision turning and finishing applications, supplied by 3G Electric as a global industrial equipment distributor.
Where to buy SUMITOMO TCMT21.51ELU turning inserts worldwide?
You can source SUMITOMO TCMT21.51ELU (TCMT110204NLU) turning inserts worldwide through 3G Electric. As a global industrial equipment distributor established in 1990, 3G Electric handles full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.
How to select the correct SUMITOMO triangle turning insert for your lathe?
To select the correct SUMITOMO triangle turning insert, match the insert size (TCMT21.51ELU or TCMT110204NLU) to your tool holder's pocket and clamping system. Verify the insert's grade (AC820P) suits your workpiece material and cutting conditions. Consult your machine manual or a machining specialist for proper feed and speed parameters.
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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.















