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SUMITOMO Square Turning Insert: SPG421-AC5025S - Square (S) Indexable Turning Inserts
SUMITOMOSquare (S) Indexable Turning Inserts

SUMITOMO Square Turning Insert: SPG421-AC5025S

The SUMITOMO SPG421-AC5025S, SPGN120304 is a square (S) indexable turning insert. It is identified by manufacturer part number SPG421-AC5025S and carries the SPGN120304 specification.

SKU 3G-OTH-229214

Brand
SUMITOMO
Item
Square Turning Insert: SPG421-AC5025S
Category
Square (S) Indexable Turning Inserts
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Technical Specifications

SUMITOMO
Manufacturer Part Number
SPG421-AC5025S
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SUMITOMO Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SUMITOMO SPG421-AC5025S, SPGN120304 is a square (S) indexable turning insert. It is identified by manufacturer part number SPG421-AC5025S and carries the SPGN120304 specification.

Frequently Asked Questions

What is the SUMITOMO SPG421-AC5025S turning insert used for?

The SUMITOMO SPG421-AC5025S is a square (S) indexable turning insert used for general turning, facing, and profiling operations on metal workpieces. It is commonly applied in automotive, aerospace, and general machining industries where reliable cutting performance and repeatable indexing are required.

What are the specifications of the SUMITOMO SPGN120304 insert?

The SUMITOMO SPGN120304 insert carries the specification SPGN120304 and is identified by manufacturer part number SPG421-AC5025S. It is a square (S) indexable turning insert designed for precision metal cutting. The insert grade AC5025S is optimized for steel and cast iron applications.

Where to buy SUMITOMO SPG421-AC5025S inserts worldwide?

You can source SUMITOMO SPG421-AC5025S inserts worldwide through 3G Electric, a global industrial equipment distributor established in 1990. We handle full logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time.

How to select the correct SUMITOMO turning insert for your lathe?

To select the correct SUMITOMO turning insert, match the insert shape (square S), size (SPGN120304), and grade (AC5025S) to your workpiece material and cutting conditions. Consult your lathe's tool holder specifications and the SUMITOMO catalog for recommended feed rates and depths of cut.

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 turning inserts. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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