Chang Cheng RPMW1204MO-M GW8120 Round Steel

Name: Chang Cheng RPMW1204MO-M GW8120 Round Steel
Brand: Chang Cheng
SKU: RPMW1204MO-M GW8120
Price: 2.12 USD
Availability: PreOrder
Rating: 5 (20 reviews)

Brand: Chang Cheng

$2.12

★★★★★ 5 (20 reviews)

The GW8120 is a professional-grade carbide insert designed for carbon and alloy steel turning. Suitable for CNC lathes with appropriate tool holders. Recommended Vc 200-350 m/min roughing, 300-450 m/min finishing. Use through-coolant or high-pressure coolant for optimal results. Available from Hooguu.com with worldwide shipping and competitive pricing. SKU: RPMW1204MO-M GW8120.

500 in stock

ⓘ Prices move with raw-material (tungsten / steel) market rates. Please confirm the current price with us before placing your order — thank you.

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Ozon★4.91,679 reviews · 5,188 ordersVerified store ↗AliExpress★4.898.9% positive · 4-year storeVerified store ↗Amazon US★5.0Verified store ↗

Specifications
Brand	Chang Cheng
Part No. (MPN)	RPMW1204MO-M
Grade	GW8120
Shape	Round
Suitable Material	Steel
Category	Round

Chang Cheng RPMW1204MO-M GW8120 – Milling Carbide Insert

The Chang Cheng RPMW1204MO-M GW8120 milling carbide insert excels in finish machining applications on a range of workpiece materials, including steel, stainless steel, cast iron, and non-ferrous materials, with its tin coating providing optimal wear resistance. This round insert shape allows for smooth, precise cuts, making it well-suited for fine detail work and high-surface-finish requirements. With 10 inserts per pack, the RPMW1204MO-M offers a reliable and efficient solution for CNC operators working with these common materials.

What machinists are saying about RPMW1204MO-M: The RPMW1204MO is a high-performance turning insert that offers superior tool life, consistent surface finish, and reliable performance on both steel and cast iron when used with proper cutting parameters and ISO 1204-M compatible tool holders. The RPMW1204MO model is designed for heavy duty and high‑throughput operations. With large inscribed circle, thick substrate and enhanc

Key Specifications

Brand	Chang Cheng
Model	RPMW1204MO-M
Grade	GW8120
Coating	tin
Insert Shape	Round
Clearance Angle	11°
IC (Inscribed Circle)	12mm
Thickness	0.4mm
Workpiece Materials	Steel, Stainless Steel, Cast Iron, Non-ferrous
Application	Finish Machining
Geometry	Chip breaker groove
Quantity	10 PCS

Why Grade GW8120

Chang Cheng’s GW8120 sits between general-purpose and high-performance offerings — strong enough for production finish machining 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 Chang Cheng – Original product with full quality guarantee, traceable batch.
Precision Ground – Tight dimensional tolerances for repeatable performance across batches.
Ready Stock – In-stock for same-day dispatch from our CNC tooling warehouse.
Professional CNC Tooling – Compatible with major CNC machine brands (Mazak, DMG, Haas, Doosan).
Edge Stability – Substrate chemistry tuned to limit micro-chipping on steel, stainless steel, cast iron, non-ferrous interruptions.
Optimized Chip Breaker – Engineered chip geometry reduces re-cutting and machine downtime.

Recommended Applications

Finish Machining of steel, stainless steel, cast iron, non-ferrous in production CNC lines
Designed for shop conditions typical of Chang Cheng tooling users worldwide
Holds dimensional tolerance over multiple indexings (insert)
Pairs well with through-coolant setups for chip evacuation

Buying Considerations

Pack of 10 — sized for typical production runs without leaving idle inventory on the shelf. Entry-tier pricing makes this a low-risk option for trialing Chang Cheng 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: RPMW1204MO-M GW8120 Categories: Insert, Milling Inserts, Round, Round (RPMW) Tags: Round, Steel Brand: Chang Cheng

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Chang Cheng RPMW1204MO-M GW8120 Round Steel

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