Original Sumitomo SNMN432 AC420K Carbide Turning Insert – Square | Cast Iron SNMN120408

Name: Original Sumitomo SNMN432 AC420K Carbide Turning Insert - Square | Cast Iron
Brand: Sumitomo
SKU: SNMN432 AC420K
Price: 15.05 USD
Availability: PreOrder
Rating: 4.5 (62 reviews)

Brand: Sumitomo

$15.05

★★★★⯨ 4.5 (62 reviews)

Turning Insert: SNMN432 AC420K, Carbide – AC420K, Coated Finish, 1/2″ Long, 1/2″ Inscribed Circle, 1/32″ Corner Radius, 90.00 deg S – Square, Series SN

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Specifications
Brand	Sumitomo
Part No. (MPN)	SNMN432
Grade	AC420K
Type	Turning Insert
Shape	Square
Suitable Material	Cast iron
Category	Turning Inserts

Sumitomo SNMN432 AC420K – Turning Carbide Insert

Turning Insert: SNMN432 AC420K, Carbide – AC420K, Coated Finish, 1/2″ Long, 1/2″ Inscribed Circle, 1/32″ Corner Radius, 90.00 deg S – Square, Series SN

Industry references for Sumitomo SNMN432: Identifying order number: SNMN432 AC420K Square inserts SU – Sumitomo cloud_download Download build Build up tool assembly Find Turning Inserts: Insert Style: SNMN; ANSI Size Code: 432; ISO Size Code: 120408; Insert Shape: S – Square; Included Angle: 90.00 at MSC Industrial Supply, serving the metalworking, safety, … Grade Description: Designed as a grade with emphasis on fra

Key Specifications

Brand	Sumitomo
Model	SNMN432
Grade	AC420K
Coating	tin
Insert Shape	Square
Clearance Angle	0°
Workpiece Materials	Cast Iron
Application	Interrupted Cutting
Quantity	1 PCS

Why Grade AC420K

Sumitomo’s AC420K sits between general-purpose and high-performance offerings — strong enough for production interrupted cutting on cast iron, conservative enough to forgive the occasional spike in feed rate. tin layer keeps cutting temperatures workable.

Features & Benefits

100% Genuine Sumitomo – Original product with full quality guarantee, traceable batch.
tin Coating – Superior wear resistance and extended tool life under continuous load.
Predictable Wear – Even flank wear pattern simplifies tool-life prediction and scheduling.
QC Inspected – Each batch sampled for edge profile, dimensional accuracy, and coating adhesion.
Bulk Pricing Available – Discount tiers for production-volume orders; contact sales.
Optimized Chip Breaker – Engineered chip geometry reduces re-cutting and machine downtime.

Recommended Applications

Interrupted Cutting of cast iron in production CNC lines
Suitable for both wet and dry machining conditions
Effective in interrupted and continuous cutting passes
CNC lathe and machining center compatible

Buying Considerations

Single-pack option — useful for prototype runs or qualification before bulk commitment. Entry-tier pricing makes this a low-risk option for trialing Sumitomo tooling on a new material.

Note: Compatible tool holders sold separately. Please confirm insert-holder seat compatibility (e.g. ISO seat designation) before ordering.

Weight	0.1 kg
Dimensions	15 × 18 × 4 cm

What Buyers Say

★★★★★

100% recomendados los insertos, y el paquete está llegando muy rapido

Lizeth Villasana Rosales, Mexico via aliexpress

★★★★★

Товар доставлен, оригинальный, упаковка отличная! Всё полностью соответствует описанию.

YUrij S., Russia via Ozon

★★★★★

По сырой стали пойдёт. Большой радиус при вершине, больше нагрузка.

Vladimir G., Russia via Ozon

★★★★★

A good product and the seller offered a nice discount

Michael, American via Amazon

★★★★★

the product is like show in the picture

Jose, American via Amazon

★★★★★

дошло быстрее чем заявлено. все супер

Mariya R., Russia via Ozon

SKU: SNMN432 AC420K Categories: Insert, Square (SNMN), Turning Inserts Brand: Sumitomo

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Original Sumitomo SNMN432 AC420K Carbide Turning Insert – Square | Cast Iron SNMN120408

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