Original Sumitomo SCMA32.52 AC420K Carbide Turning Insert – Square | Steel & More SCMA09T308 SCMA322

Name: Original Sumitomo SCMA32.52 AC420K Carbide Turning Insert - Square | Steel &amp; More
Brand: Sumitomo
SKU: SCMA32.52 AC420K
Price: 17.66 USD
Availability: PreOrder
Rating: 4.7 (33 reviews)

Brand: Sumitomo

$17.66

★★★★⯨ 4.7 (33 reviews)

Turning Insert: SCMA32.52 AC420K, Carbide – AC420K, Coated Finish, 3/8″ Long, 3/8″ Inscribed Circle, 1/32″ Corner Radius, 90.00 deg S – Square, Series SC

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Specifications
Brand	Sumitomo
Part No. (MPN)	SCMA32.52
Grade	AC420K
Type	Turning Insert
Shape	Square
Suitable Material	Steel
Category	Turning Inserts

Sumitomo SCMA32.52 AC420K – Turning Carbide Insert

Turning Insert: SCMA32.52 AC420K, Carbide – AC420K, Coated Finish, 3/8″ Long, 3/8″ Inscribed Circle, 1/32″ Corner Radius, 90.00 deg S – Square, Series SC

Industry references for Sumitomo SCMA32.52: Find Turning Insert: SCMA32.52 AC420K, Carbide at MSC Industrial Supply, serving the metalworking, safety, and MRO industries for over 75 years 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 … SCMA32.52 AC420K J21 Identifying order num

Key Specifications

Brand	Sumitomo
Model	SCMA32.52
Grade	AC420K
Coating	tin
Insert Shape	Square
Clearance Angle	7°
Workpiece Materials	Steel, Stainless Steel, Cast Iron, Non-ferrous
Application	Interrupted Cutting
Geometry	Neutral
Quantity	1 PCS

Why Grade AC420K

Sumitomo’s AC420K sits between general-purpose and high-performance offerings — strong enough for production interrupted cutting on steel, stainless steel, cast iron, non-ferrous, 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.
Professional CNC Tooling – Compatible with major CNC machine brands (Mazak, DMG, Haas, Doosan).
Thermal Resistance – tin layer holds hardness above typical cutting-zone temperatures.
Edge Stability – Substrate chemistry tuned to limit micro-chipping on steel, stainless steel, cast iron, non-ferrous interruptions.
Precision Ground – Tight dimensional tolerances for repeatable performance across batches.
Optimized Chip Breaker – Engineered chip geometry reduces re-cutting and machine downtime.

Recommended Applications

Interrupted Cutting of steel, stainless steel, cast iron, non-ferrous in production CNC lines
Useful for batch production where tool-life predictability matters
CNC lathe and machining center compatible
Effective in interrupted and continuous cutting passes

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: SCMA32.52 AC420K Categories: Insert, Square (SCMA), Turning Inserts Brand: Sumitomo

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Original Sumitomo SCMA32.52 AC420K Carbide Turning Insert – Square | Steel & More SCMA09T308 SCMA322

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