SUMITOMOSquare (S) Indexable Turning Inserts

SUMITOMO SNMM643EHG-AC830P Square Indexable Turning Insert

The SUMITOMO Square Turning Insert, model SNMM643EHG (MPN SNMM643EHG-AC830P), is a square (S) indexable turning insert. It is also available as the SNMM190612N-HG variant. This product is designed for turning operations.

SKU 3G-OTH-229310

Also listed as: SNMM643EHGAC830P · SNMM643EHG AC830P

Brand

SUMITOMO

Item

SNMM643EHG-AC830P Square Indexable Turning Insert

Part Number

SNMM643EHG-AC830P

Local availability & support

Payment: Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

SUMITOMO

Manufacturer Part Number

SNMM643EHG-AC830P 

Model

SNMM643EHG-AC830P 

Technical Documents

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SUMITOMO Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

Frequently Asked Questions

What is the SUMITOMO SNMM643EHG square turning insert used for?

The SUMITOMO SNMM643EHG is a square indexable turning insert designed for turning operations on lathes. It is commonly used in metalworking industries for external and internal turning, facing, and profiling of materials such as steel and stainless steel. The AC830P grade provides wear resistance for general-purpose machining.

What are the specifications of the SUMITOMO SNMM643EHG turning insert?

The SUMITOMO SNMM643EHG has model numbers SNMM643EHG and SNMM190612N-HG, with manufacturer part number SNMM643EHG-AC830P. It is a square (S) indexable turning insert designed for turning operations. The AC830P grade indicates a coated carbide suitable for steel machining.

Where to buy SUMITOMO SNMM643EHG turning inserts worldwide?

You can source SUMITOMO SNMM643EHG turning inserts worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead times. We supply genuine SUMITOMO inserts for turning applications.

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

To select the correct SUMITOMO square turning insert, match the insert size (SNMM643EHG or SNMM190612N-HG) to your tool holder's pocket dimensions. Consider the workpiece material and choose the AC830P grade for steel. Ensure the insert's corner radius and chipbreaker suit your finish requirements. Consult your tool holder manual for compatibility.

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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