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SUMITOMO SPG422-AC5015S Square (S) Indexable Turning Insert - Square (S) Indexable Turning Inserts
SUMITOMOSquare (S) Indexable Turning Inserts

SUMITOMO SPG422-AC5015S Square (S) Indexable Turning Insert

The SUMITOMO Square Turning Insert, model SPG422 (MPN SPG422-AC5015S) and SPGN120308, is a square (S) indexable turning insert. Key specifications include the SPG422 and SPGN120308 designations.

SKU 3G-OTH-229218

Also listed as: SPG422AC5015S · SPG422 AC5015S

Brand
SUMITOMO
Item
SPG422-AC5015S Square
Part Number
SPG422-AC5015S
Category
Square (S) Indexable Turning Inserts
Available to Order
Also known as:SPG422-AC5015SSUMITOMO
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Technical Specifications

SUMITOMO
Manufacturer Part Number
SPG422-AC5015S

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SUMITOMO Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SUMITOMO Square Turning Insert, model SPG422 (MPN SPG422-AC5015S) and SPGN120308, is a square (S) indexable turning insert. Key specifications include the SPG422 and SPGN120308 designations.

Frequently Asked Questions

What is the SUMITOMO SPG422 square turning insert used for?

The SUMITOMO SPG422 (SPGN120308) is a square 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 edge geometry are required.

What are the specifications of the SUMITOMO SPG422 turning insert?

The SUMITOMO SPG422 turning insert has a square (S) shape with an inscribed circle of 12.7 mm (1/2 inch) and a thickness of 4.76 mm (3/16 inch). The MPN is SPG422-AC5015S, and it is also designated as SPGN120308. The insert features a 0° clearance angle and a chipbreaker design for efficient chip control.

Where to buy SUMITOMO SPG422 turning inserts worldwide?

You can source SUMITOMO SPG422 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; we provide competitive pricing and reliable sourcing for this SUMITOMO insert.

How to select the correct SUMITOMO SPG422 insert for your lathe?

To select the correct SUMITOMO SPG422 insert, verify your tool holder accepts a square insert with an inscribed circle of 12.7 mm (SPG422) or 12.7 mm (SPGN120308). Ensure the clearance angle (0°) matches your holder. Confirm the grade AC5015S suits your workpiece material—typically for steel and cast iron. Always consult the tool holder manufacturer's compatibility chart.

Used in

Common applications for SUMITOMO
General machining — Sumitomo SNMG square turning inserts for turning, facing, and profiling on steel and cast iron workpieces.
CNC turning — Sumitomo TNMG triangle inserts for medium to rough turning operations on stainless steel and alloy steels.
Parting and grooving — Sumitomo SG-series inserts for cut-off and groove creation on lathes and turning centers.
Automotive component manufacturing — Sumitomo SNMG and TNMG inserts for machining engine parts, transmission components, and brake discs.
Aerospace machining — Sumitomo inserts with wear-resistant grades for turning high-temperature alloys and titanium.
Maintenance and repair — Sumitomo indexable inserts for general turning and grooving in tool rooms and maintenance shops.
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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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