SUMITOMO Square Milling Insert: SOMT120408PDER-L-ACM300
SKU 3G-OTH-233029
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Frequently Asked Questions
What is SUMITOMO SOMT120408PDER-L-ACM300 used for?
This SUMITOMO square milling insert is designed for general-purpose face and shoulder milling on steel, stainless steel, and cast iron. It delivers reliable cutting performance in industrial machining operations across automotive, aerospace, and heavy equipment manufacturing.
What are the specifications of SUMITOMO SOMT120408PDER-L-ACM300?
The SUMITOMO SOMT120408PDER-L-ACM300 is a square (S) indexable milling insert with manufacturer part number SOMT120408PDER-L-ACM300. It features a PDER geometry and ACM300 grade for balanced wear resistance and toughness in medium to heavy cutting applications.
Where to buy SUMITOMO SOMT120408PDER-L-ACM300 worldwide?
3G Electric supplies SUMITOMO SOMT120408PDER-L-ACM300 milling inserts to customers worldwide. As a global industrial sourcing partner, we handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this insert.
How to select the right SUMITOMO milling insert for steel?
For steel machining, choose a SUMITOMO insert with a tough grade like ACM300 and a positive geometry such as PDER for lower cutting forces. Match the insert size (e.g., SOMT120408) to your cutter body pocket. Consult your application parameters for optimal chip control.
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3G Electric supplies SUMITOMO square (s) indexable milling inserts. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















