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SUMITOMO Square Turning Insert: SNMA643 - Square (S) Indexable Turning Inserts
SUMITOMOSquare (S) Indexable Turning Inserts

SUMITOMO Square Turning Insert: SNMA643

The SUMITOMO Square Turning Insert, model SNMA643 (also referenced as SNMA190612, MPN SNMA643-AC405K), is a square (S) indexable turning insert designed for metal-cutting operations. This product is available under…

SKU 3G-OTH-229765

Also listed as: SNMA643AC405K · SNMA643 AC405K

Brand
SUMITOMO
Item
Square Turning Insert: SNMA643
Category
Square (S) Indexable Turning Inserts
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Delivery
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Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

SUMITOMO
Manufacturer Part Number
SNMA643-AC405K

Technical Documents

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

Product Description

The SUMITOMO Square Turning Insert, model SNMA643 (also referenced as SNMA190612, MPN SNMA643-AC405K), is a square (S) indexable turning insert designed for metal-cutting operations. This product is available under SKU SNMA643-AC405K and is manufactured by SUMITOMO.

Frequently Asked Questions

What is the SUMITOMO SNMA643 square turning insert used for?

The SUMITOMO SNMA643 (SNMA190612) is a square indexable turning insert for metal-cutting operations such as turning, facing, and profiling on lathes. It is commonly used in general machining, automotive, and industrial manufacturing where reliable cutting performance and repeatable edge geometry are required.

What are the specifications of the SUMITOMO SNMA643 insert?

The SUMITOMO SNMA643 is a square (S) indexable turning insert with model numbers SNMA643 and SNMA190612. The manufacturer part number is SNMA643-AC405K. It is designed for metal-cutting applications and is available under SKU 3G-OTH-229765. Always verify dimensions and grade with your application requirements.

Where to buy SUMITOMO SNMA643 turning inserts worldwide?

You can source SUMITOMO SNMA643 (SNMA190612) 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 supply genuine SUMITOMO inserts for your machining needs.

How to select the correct SUMITOMO SNMA643 insert for my lathe?

To select the correct SUMITOMO SNMA643 insert, confirm your lathe's tool holder accepts square inserts with the SNMA643 or SNMA190612 geometry. Check the insert's grade (e.g., AC405K) matches your workpiece material and cutting conditions. Consult your machine manual or a SUMITOMO application guide for feed, speed, and depth-of-cut recommendations.

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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