Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

SUMITOMO Square Turning Insert: SNMN432 - Square (S) Indexable Turning Inserts
SUMITOMOSquare (S) Indexable Turning Inserts

SUMITOMO Square Turning Insert: SNMN432

The SUMITOMO Square Turning Insert, model SNMN432 (also referenced as SNMN120408, MPN SNMN432-AC420K), is a square (S) indexable turning insert. It is available under SKU 3G-OTH-229400 and is designed for turning…

SKU 3G-OTH-229400

Also listed as: SNMN432AC420K · SNMN432 AC420K

Brand
SUMITOMO
Item
Square Turning Insert: SNMN432
Category
Square (S) Indexable Turning Inserts
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

SUMITOMO
Manufacturer Part Number
SNMN432-AC420K

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The SUMITOMO Square Turning Insert, model SNMN432 (also referenced as SNMN120408, MPN SNMN432-AC420K), is a square (S) indexable turning insert. It is available under SKU 3G-OTH-229400 and is designed for turning operations.

Frequently Asked Questions

What is the SUMITOMO SNMN432 square turning insert used for?

The SUMITOMO SNMN432 (SNMN120408) 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 steel, stainless steel, and cast iron workpieces.

What are the specifications of the SUMITOMO SNMN432 insert?

The SUMITOMO SNMN432 insert is a square (S) indexable turning insert with model numbers SNMN432 and SNMN120408. The manufacturer part number is SNMN432-AC420K. It is designed for turning operations and is available under SKU 52FN55.

Where to buy SUMITOMO SNMN432 inserts worldwide?

You can source SUMITOMO SNMN432 (SNMN120408) square 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.

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

To select the correct SUMITOMO square turning insert, match the insert size (SNMN432 or SNMN120408) to your tool holder's pocket. Ensure the insert grade (AC420K) suits your workpiece material. Consult your lathe manual or a tooling engineer for proper chip breaker and geometry selection.

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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
SUMITOMO Square Turning Insert: SNMN434, SNMN120416 (MPN SNMN434-AC420K)
SUMITOMO
SUMITOMO Square Turning Insert: SNMN434, SNMN120416 (MPN SNMN434-AC420K)
SUMITOMO Square Turning Insert: SNMA432, SNMA120408 (MPN SNMA432-AC405K)
SUMITOMO
SUMITOMO Square Turning Insert: SNMA432, SNMA120408 (MPN SNMA432-AC405K)
SUMITOMO Square Turning Insert: SNMA432, SNMA120408 (MPN SNMA432-AC420K)
SUMITOMO
SUMITOMO Square Turning Insert: SNMA432, SNMA120408 (MPN SNMA432-AC420K)
SUMITOMO Square Turning Insert: SNMM432EHG, SNMM120408N-HG (MPN SNMM432EHG-AC830P)
SUMITOMO
SUMITOMO Square Turning Insert: SNMM432EHG, SNMM120408N-HG (MPN SNMM432EHG-AC830P)
SUMITOMO Square Turning Insert: SNMM433EHG, SNMM120412N-HG (MPN SNMM433EHG-AC8025P)
SUMITOMO
SUMITOMO Square Turning Insert: SNMM433EHG, SNMM120412N-HG (MPN SNMM433EHG-AC8025P)
SUMITOMO Square Turning Insert: SNMM433EHG, SNMM120412N-HG (MPN SNMM433EHG-AC830P)
SUMITOMO
SUMITOMO Square Turning Insert: SNMM433EHG, SNMM120412N-HG (MPN SNMM433EHG-AC830P)

More from SUMITOMO

View all SUMITOMO parts
SUMITOMO Square Turning Insert: SNMG433EEX-AC5025S, SNMG120412N-EX
SUMITOMO
SUMITOMO Square Turning Insert: SNMG433EEX-AC5025S, SNMG120412N-EX
SUMITOMO Square Turning Insert: SCMA433, SCMA120412 (MPN SCMA433-AC420K)
SUMITOMO
SUMITOMO Square Turning Insert: SCMA433, SCMA120412 (MPN SCMA433-AC420K)
SUMITOMO Square Turning Insert: SNMG643EEM, SNMG190612N-EM (MPN SNMG643EEM-AC6030M)
SUMITOMO
SUMITOMO Square Turning Insert: SNMG643EEM, SNMG190612N-EM (MPN SNMG643EEM-AC6030M)
SUMITOMO Square Turning Insert: SNMM643EHG, SNMM190612N-HG (MPN SNMM643EHG-AC8025P)
SUMITOMO
SUMITOMO Square Turning Insert: SNMM643EHG, SNMM190612N-HG (MPN SNMM643EHG-AC8025P)
SUMITOMO Square Turning Insert: SNMG433EGE, SNMG120412NGE (MPN SNMG433EGE-AC820P)
SUMITOMO
SUMITOMO Square Turning Insert: SNMG433EGE, SNMG120412NGE (MPN SNMG433EGE-AC820P)
SUMITOMO Square Turning Insert: SNMG434EMU, SNMG120416N-MU (MPN SNMG434EMU-AC8025P)
SUMITOMO
SUMITOMO Square Turning Insert: SNMG434EMU, SNMG120416N-MU (MPN SNMG434EMU-AC8025P)
SUMITOMO Square Turning Insert: SPG422, SPGN120308 (MPN SPG422-T1500A)
SUMITOMO
SUMITOMO Square Turning Insert: SPG422, SPGN120308 (MPN SPG422-T1500A)
SUMITOMO Square Turning Insert: SNMG433EEG, SNMG120412N-EG (MPN SNMG433EEG-AC6040M)
SUMITOMO
SUMITOMO Square Turning Insert: SNMG433EEG, SNMG120412N-EG (MPN SNMG433EEG-AC6040M)