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SUMITOMO Square Turning Insert: SPMN422 - Square (S) Indexable Turning Inserts
SUMITOMOSquare (S) Indexable Turning Inserts

SUMITOMO Square Turning Insert: SPMN422

The SUMITOMO Square Turning Insert, model SPMN422 (also referenced as SPMN120308), is a square (S) indexable turning insert. The manufacturer part number is SPMN422-AC420K. This insert is designed for turning operations.

SKU 3G-OTH-229384

Also listed as: SPMN422AC420K · SPMN422 AC420K

Brand
SUMITOMO
Item
Square Turning Insert: SPMN422
Category
Square (S) Indexable Turning Inserts
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Technical Specifications

SUMITOMO
Manufacturer Part Number
SPMN422-AC420K

Technical Documents

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

Product Description

The SUMITOMO Square Turning Insert, model SPMN422 (also referenced as SPMN120308), is a square (S) indexable turning insert. The manufacturer part number is SPMN422-AC420K. This insert is designed for turning operations.

Frequently Asked Questions

What is the SUMITOMO SPMN422 square turning insert used for?

The SUMITOMO SPMN422 (also SPMN120308) is a square indexable turning insert designed for general turning operations on metal workpieces. It is commonly used in lathe applications across machining, automotive, and general manufacturing industries where reliable cutting geometry is required.

What are the specifications of the SUMITOMO SPMN422 insert?

The SUMITOMO SPMN422 insert has a square (S) shape and is referenced as both SPMN422 and SPMN120308. The manufacturer part number is SPMN422-AC420K. It is an indexable turning insert intended for turning operations. For detailed dimensional data, consult the SUMITOMO catalog.

Where to buy SUMITOMO SPMN422 inserts worldwide?

3G Electric supplies SUMITOMO SPMN422 (SPMN120308) turning inserts to customers worldwide. As a global industrial sourcing partner, we handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this SUMITOMO insert.

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

To select the correct SUMITOMO insert like the SPMN422, match the insert shape (square), size (SPMN422 or SPMN120308), and grade (AC420K) to your workpiece material and turning operation. Consult the SUMITOMO technical catalog for recommended feeds, speeds, and depth of cut for optimal performance.

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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