Original Sumitomo RCMX160600 AC420K Carbide Turning Insert – Round | Cast Iron RCMX540

Name: Original Sumitomo RCMX160600 AC420K Carbide Turning Insert - Round | Cast Iron
Brand: Sumitomo
SKU: RCMX160600 AC420K
Price: 26.39 USD
Availability: PreOrder
Rating: 4.7 (32 reviews)

Brand: Sumitomo

$26.39

★★★★⯨ 4.7 (32 reviews)

Turning Insert: RCMX160600 AC420K, Carbide – AC420K, Coated Finish, 0.6300″ Inscribed Circle, 7 deg R – Round, Series RC

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Specifications
Brand	Sumitomo
Part No. (MPN)	RCMX160600
Grade	AC420K
Type	Turning Insert
Shape	Round
Suitable Material	Cast iron
Category	Turning Inserts

Sumitomo RCMX160600 AC420K – Turning Carbide Insert

Turning Insert: RCMX160600 AC420K, Carbide – AC420K, Coated Finish, 0.6300″ Inscribed Circle, 7 deg R – Round, Series RC

Field reports & vendor notes: The AC420K is a tough K20 grade that handles heavy depth of cut and interruptions. All grades are available with the Sumitomo FF Coating (Fine and Flat) for prolonged tool life and chipping … Order Sumitomo Turning Insert, Round, 0.6299 in., RCMX, Carbide, RCMX160600-AC420K at Zoro.com. Great prices & free shipping on orders over $50 when you sign in or sign up for an acc

Key Specifications

Brand	Sumitomo
Model	RCMX160600
Grade	AC420K
Coating	tin
Insert Shape	Round
Clearance Angle	7°
IC (Inscribed Circle)	16mm
Thickness	0.6mm
Diameter	5.20mm
Workpiece Materials	Cast Iron
Application	Interrupted Cutting
Geometry	Positive
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.
Predictable Wear – Even flank wear pattern simplifies tool-life prediction and scheduling.
tin Coating – Superior wear resistance and extended tool life under continuous load.
Bulk Pricing Available – Discount tiers for production-volume orders; contact sales.
QC Inspected – Each batch sampled for edge profile, dimensional accuracy, and coating adhesion.
Optimized Chip Breaker – Engineered chip geometry reduces re-cutting and machine downtime.

Recommended Applications

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

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.

Tip: Match this insert to a holder whose seat matches the ISO designation. If you’re unsure, send us the holder model and we’ll confirm compatibility before shipping.

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: RCMX160600 AC420K Categories: Insert, Round (RCMX), Turning Inserts Brand: Sumitomo

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Original Sumitomo RCMX160600 AC420K Carbide Turning Insert – Round | Cast Iron RCMX540

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