SUMITOMO Square Turning Insert: SPG421
The SUMITOMO Square Turning Insert, model SPG421 (MPN SPG421-T1500A) with equivalent SPGN120304, is a square (S) indexable turning insert. It is available in two designations: SPG421 and SPGN120304.
SKU 3G-OTH-229416
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Product Description
The SUMITOMO Square Turning Insert, model SPG421 (MPN SPG421-T1500A) with equivalent SPGN120304, is a square (S) indexable turning insert. It is available in two designations: SPG421 and SPGN120304.
Frequently Asked Questions
What is the SUMITOMO SPG421 square turning insert used for?
The SUMITOMO SPG421 (SPGN120304) is a square indexable turning insert used for general turning, facing, and profiling operations on metalwork. It is commonly applied in automotive, aerospace, and general machining industries where reliable cutting performance and repeatable edge geometry are required.
What are the specifications of the SUMITOMO SPG421 turning insert?
The SUMITOMO SPG421 is a square (S) indexable turning insert with designation SPG421 and equivalent SPGN120304. The manufacturer part number is SPG421-T1500A. It is designed for use in turning and facing applications, offering consistent cutting geometry for medium-duty machining.
Where to buy SUMITOMO SPG421 turning inserts worldwide?
You can source SUMITOMO SPG421 turning inserts through 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 on this SUMITOMO insert.
How to select the correct SUMITOMO SPG421 insert for my lathe?
To select the correct SUMITOMO SPG421 insert, verify your tool holder accepts square inserts with the SPG421 or SPGN120304 geometry. Check the insert's inscribed circle (IC) and thickness match your holder's pocket. For best results, consult your machine manual or a SUMITOMO application engineer.
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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.
