SUMITOMO Square Milling Insert: SOMT120408PDER-H-ACK300
SKU 3G-OTH-233086
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Frequently Asked Questions
What is the SUMITOMO SOMT120408PDER-H-ACK300 square milling insert used for?
This SUMITOMO square milling insert is designed for general-purpose face and shoulder milling on steel, stainless steel, and cast iron. Its SOMT geometry and ACK300 grade provide reliable cutting performance in medium-duty machining operations, commonly used in automotive, mold, and general engineering industries.
What are the specifications of the SUMITOMO SOMT120408PDER-H-ACK300 insert?
The SUMITOMO SOMT120408PDER-H-ACK300 is a square (S) indexable milling insert with manufacturer part number SOMT120408PDER-H-ACK300. It features a 12.7 mm inscribed circle, 4.76 mm thickness, and a 0.8 mm corner radius. The ACK300 grade is a PVD-coated carbide for wear resistance in steel and cast iron milling.
Where to buy SUMITOMO SOMT120408PDER-H-ACK300 inserts worldwide?
You can order SUMITOMO SOMT120408PDER-H-ACK300 milling inserts from 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we source and deliver this SUMITOMO insert to your facility.
How to select the correct SUMITOMO square milling insert for your operation?
Select the SUMITOMO SOMT120408PDER-H-ACK300 for medium-duty milling of steel and cast iron. Match the insert size (12.7 mm IC) to your cutter pocket, and ensure the corner radius (0.8 mm) suits your surface finish requirements. For harder materials or finishing, consult the SUMITOMO technical catalog for alternative grades.
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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.















