Original Sumitomo AC4015K CNMA431 Carbide Turning Insert – Parallelogram 85° | Steel, Cast Iron CNMA431 AC4015K CNMA120404

Name: Original Sumitomo AC4015K CNMA431 Carbide Turning Insert - Parallelogram 85° | Steel, Cast Iron CNMA431 AC4015K
Brand: Sumitomo
SKU: CNMA431 AC4015K
Price: 15.05 USD
Availability: PreOrder
Rating: 4.8 (46 reviews)

Brand: Sumitomo

$15.05

★★★★⯨ 4.8 (46 reviews)

Turning Insert: CNMA431 AC4015K, Carbide – AC4015K, Al2O3 & TiCN Finish, Neutral, 0.5079″ Long, 0.5000″ Inscribed Circle, 80 deg C – Diamond (Rhombic) 80-Deg, Series CN

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Specifications
Brand	Sumitomo
Part No. (MPN)	CNMA431
Grade	AC4015K
Type	Turning Insert
Shape	Parallelogram 85°
Suitable Material	Steel
Category	Turning Inserts

Sumitomo AC4015K CNMA431 – Turning Carbide Insert

Turning Insert: CNMA431 AC4015K, Carbide – AC4015K, Al2O3 & TiCN Finish, Neutral, 0.5079″ Long, 0.5000″ Inscribed Circle, 80 deg C – Diamond (Rhombic) 80-Deg, Series CN

What machinists are saying about AC4015K: Find Turning Insert: RCMX120400 AC4015K, Carbide at MSC Industrial Supply, serving the metalworking, safety, and MRO industries for over 75 years Sumitomo 19T2269 | CNMA431-AC4015K 5.16mm Inscribed Circle x 12.90mm Width x 4.76mm Thickness x 0.40mm Radius x 80 Degree Corner Angle CVD Coated Carbide AC4015K Turning Insert Products – All Industrial Tool Supply AC4015K Sumitomo Gr

Key Specifications

Brand	Sumitomo
Model	AC4015K
Grade	CNMA431
Coating	CVD
Insert Shape	Parallelogram 85°
Clearance Angle	7°
IC (Inscribed Circle)	4mm
Thickness	1.5mm
Workpiece Materials	Steel, Cast Iron
Application	Interrupted Cutting
Quantity	1 PCS

Grade CNMA431 Performance Profile

Operators running steel, cast iron with the Sumitomo CNMA431 typically report stable wear progression rather than catastrophic edge loss. The cvd system is the reason: it slows abrasion at the rake face while keeping the substrate from softening at the cutting zone.

Features & Benefits

100% Genuine Sumitomo – Original product with full quality guarantee, traceable batch.
Edge Stability – Substrate chemistry tuned to limit micro-chipping on steel, cast iron interruptions.
Thermal Resistance – cvd layer holds hardness above typical cutting-zone temperatures.
Professional CNC Tooling – Compatible with major CNC machine brands (Mazak, DMG, Haas, Doosan).
Ready Stock – In-stock for same-day dispatch from our CNC tooling warehouse.
Optimized Chip Breaker – Engineered chip geometry reduces re-cutting and machine downtime.

Recommended Applications

Interrupted Cutting of steel, cast iron in production CNC lines
Pairs well with through-coolant setups for chip evacuation
Holds dimensional tolerance over multiple indexings (insert)
Designed for shop conditions typical of Sumitomo tooling users worldwide

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: CNMA431 AC4015K Categories: Insert, Turning Inserts, Diamond 80° (CNMA) Brand: Sumitomo

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Original Sumitomo AC4015K CNMA431 Carbide Turning Insert – Parallelogram 85° | Steel, Cast Iron CNMA431 AC4015K CNMA120404

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