SUMITOMO Square Turning Insert: SPMT21.51ENS
The SUMITOMO Square Turning Insert, model SPMT21.51ENS (MPN SPMT21.51ENS-AC6040M) and SPMT060204N-US, is a square (S) indexable turning insert. It is available in two part number variants: SPMT21.51ENS and…
SKU 3G-OTH-229250
Need installation or engineering help?
Ask a question
Product Description
The SUMITOMO Square Turning Insert, model SPMT21.51ENS (MPN SPMT21.51ENS-AC6040M) and SPMT060204N-US, is a square (S) indexable turning insert. It is available in two part number variants: SPMT21.51ENS and SPMT060204N-US.
Frequently Asked Questions
What is the SUMITOMO Square Turning Insert SPMT21.51ENS used for?
The SUMITOMO Square Turning Insert SPMT21.51ENS is used for general turning, facing, and profiling operations on metal workpieces. It is commonly applied in automotive, aerospace, and general machining industries where a square indexable insert provides four cutting edges for cost-effective material removal.
What are the specifications of the SUMITOMO SPMT21.51ENS turning insert?
The SUMITOMO Square Turning Insert is available as model SPMT21.51ENS (MPN SPMT21.51ENS-AC6040M) and as variant SPMT060204N-US. It is a square (S) indexable turning insert designed for precision metal cutting. The insert geometry supports efficient chip control and surface finish in medium-duty applications.
Where to buy SUMITOMO turning inserts worldwide?
You can source SUMITOMO Square Turning Inserts worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on the SPMT21.51ENS or SPMT060204N-US variants.
How to select the correct SUMITOMO turning insert for my application?
To select the correct SUMITOMO turning insert, match the insert geometry (square SPMT21.51ENS or SPMT060204N-US) to your workpiece material and operation type. Consider cutting speed, feed rate, and depth of cut. For best results, consult the SUMITOMO technical data for the AC6040M grade coating and chipbreaker design.
Used in
Common applications for SUMITOMOSUMITOMO Products
3G Electric supplies SUMITOMO square (s) indexable turning inserts. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















