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SUMITOMO Square Milling Insert: SOMT120408PDER-H-ACK300 - Square (S) Indexable Milling Inserts
SUMITOMOSquare (S) Indexable Milling Inserts

SUMITOMO Square Milling Insert: SOMT120408PDER-H-ACK300

SKU 3G-OTH-233086

Brand
SUMITOMO
Item
Square Milling Insert: SOMT120408PDER-H-ACK300
Category
Square (S) Indexable Milling Inserts
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Technical Specifications

SUMITOMO
Manufacturer Part Number
SOMT120408PDER-H-ACK300
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SUMITOMO Products
3G Electric (S) Pte. Ltd. — Singapore

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.

Used in

Common applications for SUMITOMO
Automotive engine block machining — Sumitomo SNMG square turning inserts for facing and boring cast iron
Aerospace component turning — Sumitomo DNMG diamond inserts with UP chipbreaker for finishing titanium alloys
Oil and gas valve production — Sumitomo TPMR triangle inserts with T1500Z grade for threading stainless steel
General engineering shaft turning — Sumitomo CNMG diamond inserts with LU chipbreaker for medium interrupted cuts
Mold and die finishing — Sumitomo VNMG diamond inserts with UZ chipbreaker for hardened steel profiling
Heavy equipment repair — Sumitomo TCMT triangle inserts with AC810P grade for turning wear-resistant steels

SUMITOMO Products

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.

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