SUMITOMO Triangle Turning Insert: TPMT1.81.51ELU
The SUMITOMO Triangle Turning Insert, model TPMT1.81.51ELU (also referenced as TPMT090204N-LB, MPN TPMT1.81.51ELU-AC820P), is a Triangle (T) indexable turning insert. It is available under SKU 52FY52.
SKU 3G-OTH-322980
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Product Description
The SUMITOMO Triangle Turning Insert, model TPMT1.81.51ELU (also referenced as TPMT090204N-LB, MPN TPMT1.81.51ELU-AC820P), is a Triangle (T) indexable turning insert. It is available under SKU 52FY52.
Frequently Asked Questions
What is the SUMITOMO TPMT1.81.51ELU turning insert used for?
The SUMITOMO TPMT1.81.51ELU is a triangle indexable turning insert designed for general turning, facing, and profiling operations on steel and stainless steel workpieces. It is commonly used in CNC lathes and manual machining applications across automotive, aerospace, and general manufacturing industries.
What are the specifications of the SUMITOMO TPMT090204N-LB insert?
The SUMITOMO TPMT090204N-LB is a triangle turning insert with an inscribed circle of 9.525 mm and a thickness of 3.97 mm. It features a chipbreaker design for effective chip control. The insert is made from AC820P grade, suitable for medium to finishing cuts in steel and stainless steel.
Where to buy SUMITOMO turning inserts worldwide?
3G Electric supplies SUMITOMO TPMT1.81.51ELU turning inserts to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact our team to place an order or request a quote for this insert.
How to select the correct SUMITOMO triangle insert for my lathe?
To select the correct SUMITOMO triangle insert, match the insert size (IC and thickness) to your tool holder's pocket dimensions. The TPMT1.81.51ELU uses a 9.525 mm inscribed circle and 3.97 mm thickness. Also consider workpiece material and finish requirements; the AC820P grade is optimized for steel and stainless steel.
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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.















