Description
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Product Overview
CNMG 120404-MF carbide insert is a precision-engineered, indexable turning insert designed for high-performance metalcutting in demanding industrial environments. Primarily used for finishing and semi-finishing operations on ferrous and non-ferrous alloys, it delivers consistent surface quality and tight dimensional control. Its key value proposition is a balanced geometry and wear-resistant carbide grade that maximize tool life while minimizing cycle time and rework. Strategically, the CNMG 120404-MF enables manufacturers to reduce per-part machining costs and improve throughput across high-volume production lines. -
Key Specifications & Technical Characteristics
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Insert designation: CNMG 120404-MF (ISO geometry CNMG, 12 mm inscribed circle, 0.4 mm nose radius, 4.0 mm thickness variant specification).
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Material composition: Cemented carbide (tungsten carbide particles in a cobalt binder), optimized microstructure for toughness and abrasion resistance.
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Carbide grade: Medium-to-high toughness grade with fine-grain WC and controlled cobalt content (industrial grade suitable for mixed stainless and alloy steels).
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Coating: Available in uncoated or multi-layer PVD/CVD coatings (e.g., TiCN/Al2O3 variants) to enhance wear resistance and thermal stability (specify at order).
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Physical form and color: Indexable rhomboid insert, metallic gray to dark gray (coated variants vary), precise ground relief and cutting edges.
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Dimensional tolerances: Manufactured to ISO/ANSI dimensional tolerances for indexable inserts; consistent edge radius and thickness to within industry-standard microns.
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Edge preparation: Factory honed or sharp options available; honed edges for interrupted cuts and roughing, sharp for fine finishing.
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Packaging options: Bulk trays, sealed blister packs, or custom-pack crates for palletized shipments; anti-corrosion inner packaging available for sea freight.
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Traceability and labeling: Batch-coded packaging with heat lot and material certificates available on request.
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Shelf life: Indefinite under normal storage (dry, stable temperature); recommended storage in original packaging to avoid edge damage.
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Compliance: Manufactured to industrial quality management standards; material test reports (MTRs) and RoHS/REACH declarations available upon request.
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Core Industrial Applications
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Primary industries: Automotive, aerospace, heavy equipment, oil & gas machining, general engineering, and precision subcontract machining.
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Specific use cases: Precision turning of shafts, bushings, bearings, and mating components; finishing passes on alloy steels and stainless steel; semi-finishing where combined wear resistance and edge strength are required.
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Performance versus alternatives: The CNMG 120404-MF balances toughness and wear resistance better than generic grades, reducing insert change frequency in mixed-material production runs. Compared with economy uncoated carbides, it sustains higher cutting speeds with lower flank wear, and compared with ultra-hard but brittle grades, it reduces catastrophic chipping risk on interrupted cuts.
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Operational benefits: Enables stable machining at higher feed rates with predictable tool life, lowers scrap rates through consistent edge geometry, and reduces total cost of ownership by extending service intervals between regrinds or replacements.
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Competitive Advantages
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Quality consistency: Tight process control and batch testing ensure uniform microstructure and dimensional accuracy across production lots.
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Supply reliability: Established manufacturing and logistics network supporting scheduled replenishment and bulk shipments to global industrial customers.
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Logistics capability: Flexible packaging and export-ready documentation, with sea- and air-freight optimized packing to protect edge integrity for long-haul shipments.
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Price competitiveness: Positioned as a high-value grade offering superior life-to-cost ratio versus commodity inserts; volume pricing and contract terms available for strategic buyers.
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Sustainability: Long tool life reduces material waste and downstream energy consumption; packaging options minimize single-use plastics and support returnable crate programs.
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Technical support: Application engineering support for grade and geometry selection, cutting parameter recommendations, and failure analysis; material test reports and cutting trial data available on request.
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Documentation: Full technical datasheets, MTRs, and compliance certificates provided to support procurement and quality assurance processes.
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Commercial & Supply Information
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Minimum order quantity (MOQ): BULK 20MT
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Loading capacity: Standard 20-foot container loading capacity and 40-foot container configurations available; typical loading capacity depends on packaging and palletization. Standard reference: up to approximately 20 MT per 20-foot container and up to approximately 24–26 MT per 40-foot container depending on packing density and crate configuration. Final loading plan to be confirmed at order.
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Lead times and terms: Lead times and pricing vary by order size and coating specification; contact sales for FOB/CIF quotes, volume discounts, and contractual supply agreements.
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After-sales: Warranty on manufacturing defects, replacement policy for confirmed nonconforming lots, and optional field trials for qualification.









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