RCKT1204MO-PM 4220 Round Milling Inserts For Steel & Cutting Tools
RCKT1204MO-PM 4220 High-Performance Round Milling Insert | Durable Solution for Steel & cutting tools

Product Description:
The RCKT1204MO-PM 4220 is a high-performance indexable milling insert manufactured under -grade quality standards. Designed for steel (ISO P) and stainless steel (ISO M) machining, this insert features the durable 4220 carbide grade, providing excellent wear resistance, thermal stability, and resistance to plastic deformation. It is ideal for medium-to-high-speed milling, delivering reliable tool life and consistent surface quality in demanding production environments.
The insert utilizes the PM (Positive Medium) chip-breaker, offering smooth cutting action, reduced cutting forces, and efficient chip control. Thanks to its round insert geometry, it excels in high-feed milling, contouring, roughing, and applications requiring strong edge strength and impact resistance.
Key Features
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4220 high-performance grade optimized for steel and stainless-steel machining with superior wear resistance.
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RCKT round insert design offering strong edges and excellent toughness for heavy-duty conditions.
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PM chip-breaker ensures smooth cutting, stable chip evacuation, and lower cutting temperatures.
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Consistent surface finish even during heavy roughing operations.
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Enhanced versatility suitable for face milling, contour milling, high-feed milling, and general machining.
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Extended tool life due to optimized coating and improved thermal resistance.
Suitable Materials
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Steel (ISO P)
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Stainless Steel (ISO M)
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Alloy steels
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Cast iron (light-duty)
Typical Applications
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Medium-to-heavy face milling
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Contouring and profiling operations
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High-feed milling (HFM)
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Roughing and semi-finishing
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Automotive parts, molds, machinery components, production machining
Recommended Conditions
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Medium to high cutting speeds
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Machines with good rigidity
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Production machining requiring stable tool life and high efficiency
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