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  • CNC Cutting Tools Good Price CNMG 120404-MA TNMG WNMG CCMT Tungsten Carbide Inserts for Stainless Steel
  • CNC Cutting Tools Good Price CNMG 120404-MA TNMG WNMG CCMT Tungsten Carbide Inserts for Stainless Steel
  • CNC Cutting Tools Good Price CNMG 120404-MA TNMG WNMG CCMT Tungsten Carbide Inserts for Stainless Steel
  • CNC Cutting Tools Good Price CNMG 120404-MA TNMG WNMG CCMT Tungsten Carbide Inserts for Stainless Steel
  • CNC Cutting Tools Good Price CNMG 120404-MA TNMG WNMG CCMT Tungsten Carbide Inserts for Stainless Steel
CNC Cutting Tools Good Price CNMG 120404-MA TNMG WNMG CCMT Tungsten Carbide Inserts for Stainless Steel

CNC Cutting Tools Good Price CNMG 120404-MA TNMG WNMG CCMT Tungsten Carbide Inserts for Stainless Steel

$0.52-$0.99/ Piece|10 Piece/Pieces(Min. Order)

Customization:

Customized logo（Min.Order: 5000 pieces）
Customized packaging（Min.Order: 5000 pieces）
Custom labels（Min.Order: 5000 pieces）
Graphic customization（Min.Order: 5000 pieces）
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CNC Cutting Tools Good Price CNMG 120404-MA TNMG WNMG CCMT Tungsten Carbide Inserts for Stainless Steel

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • High-Speed Precision Cutting: Engineered for CNC machining of stainless steel, carbon steel, and steel, featuring carbide inserts with diamond-like edge patterns for optimal chip control and surface finish.
  • Durability & Versatility: The CNMG120404-MA HA515 model combines carbide material with advanced PVD/CVD coatings (e.g., HA515) to ensure long tool life, resistance to high temperatures, and wear in roughing and finishing operations.

Key features

  • 1. Material Technology

    • With a tungsten carbide body and HA515 coating, you can achieve exceptional wear resistance and high-temperature stability for prolonged tool life.

  • 2. Interactive Design

    • With CNC-compatible CNMG geometry and diamond-like cutting edges, you can ensure precise cuts and optimal chip control in stainless steel applications.

  • 3. Performance Parameters

    • With high-speed machining capability and PVD/CVD coatings, you can process stainless steel at speeds 15-25% faster than traditional uncoated tools.

  • 4. Scenario Solutions

    • Designed for continuous commercial use, you can handle heavy-duty machining tasks in industries like automotive and aerospace.

  • 5. Certification Standards

    • With compliance to ISO and ANSI standards for cutting tools, you can ensure reliability and safety in industrial applications.

Product details

CNC Cutting Tools Good Price CNMG 120404-MA TNMG WNMG CCMT Tungsten Carbide Inserts for Stainless Steel

The MDT CNMG120404-MA HA515 carbide inserts are engineered for precision CNC machining of stainless steel and other challenging materials. Combining advanced PVD/CVD coatings with high-performance tungsten carbide, these inserts deliver exceptional wear resistance, thermal stability, and extended tool life in high-speed operations.

Technical specifications

FeatureSpecificationBenefit
MaterialTungsten carbideHigh hardness and thermal resistance for long tool life.
CoatingPVD (Physical Vapor Deposition) / CVD (Chemical Vapor Deposition)Enhanced wear resistance and reduced friction for smoother cuts.
Control ModeCNC-compatiblePrecision machining for complex geometries.
ApplicationStainless steel, carbon steelOptimized for tough materials requiring high cutting speeds.
GeometryCNMG/TNMG/CCMT/WNMGVersatile edge designs for roughing, finishing, and external turning.

Customization guide

Adjust coatings (PVD for high-speed finishing, CVD for heavy-duty roughing) or geometries (e.g., CNMG for interrupted cuts, TNMG for external turning) to match specific material hardness, feed rates, or surface finish requirements.

Get inspired

With the HA515 coating’s triple-layer structure, you can achieve 20% faster cutting speeds than uncoated tools while maintaining precision. Ideal for manufacturers seeking cost-effective solutions for high-volume stainless steel machining.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Max Cutting Speed150 m/min+15% (173 m/min)*+30% (195 m/min)*
Tool Life200 min250 min300 min
Temperature Resistance800°C950°C1,050°C
Coating TypePVD StandardHybrid PVD/CVDHA515 CVD Premium

Supplier's note

  1. Technical Breakthroughs:

    • The HA515 CVD coating (Pro Model) triples wear resistance compared to industry standards, enabling safe machining of abrasive stainless steels.
    • The CNMG geometry reduces chip deformation by 25%, minimizing heat buildup.
    • CNC-compatible design ensures ±0.001mm accuracy for tight tolerance parts.

  2. Optimal Version Selection:

    • Base Model: Ideal for SMEs prioritizing cost efficiency in standard stainless steel turning.
    • Advanced Model: Choose for medium-volume production requiring hybrid coating benefits (e.g., aerospace alloys).
    • Pro Model: Essential for heavy industries (e.g., automotive, energy) needing extreme durability and high-speed machining. With its 1,050°C resistance, it outperforms competitors in continuous production cycles.

Frequently asked questions

  • Which MDT carbide insert model is best for high-speed machining of stainless steel?

  • How do I maintain the sharpness of MDT carbide inserts like the CNMG120404-MA?

  • What’s the difference between PVD and CVD coatings on MDT carbide inserts?

  • Can MDT carbide inserts be customized for specific machining needs?

  • Are MDT CNMG inserts compatible with CNC machines for steel machining?

  • Which carbide insert is better for roughing vs. finishing stainless steel?

  • Does the HA515 coating on MDT inserts meet ISO/SAE standards for tooling?

  • Why choose MDT carbide inserts over competitors for carbon steel turning?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Material CompositionHeavy-duty machining, aerospace partsCarbide with 8% Cobalt Binder (ISO 3506)▲ Our Base: 14.5 HRA hardness (ISO 4926) → Excellent wear resistance
▲▲ Our Advanced: Nano-grained carbide (▲ 20% harder)		Brittle at low temps; requires precise coolant management
Coating TechnologyHigh-temperature applicationsIndustry Standard: Uncoated or basic TiN coating (5 µm)
Our Base: PVD HA515 (5–8 µm)
Our Advanced: Multi-layer PVD (TiAlN + AlTiN) (▲ 30% thicker)		▲ Base: 850°C thermal stability (ASTM C1123)
▲▲ Advanced: 1000°C resistance		Higher cost for advanced coatings; requires specialized coating equipment
Speed CapabilityHigh-speed machining of stainless steelIndustry Standard: 300 m/min (ISO 3685)
Our Base: 500 m/min (▲ 67% faster)
Our Advanced: 650 m/min (▲▲ 133% faster)		▲ Base: Reduces cycle time by 20%
▲▲ Advanced: Ideal for CNC automation		Wear increases at extreme speeds; needs high-quality coolant
Thermal ResistanceContinuous machining of titanium alloysIndustry Standard: 600°C
Our Base: 850°C (▲ 42% improvement)
Our Advanced: 1000°C (▲▲ 67% improvement)		▲ Base: Prevents deformation during prolonged use
▲▲ Advanced: Maintains edge integrity in high-heat environments		Limited to specific alloy compositions; requires precise temperature monitoring
Wear ResistanceAutomotive component productionIndustry Standard: 500m/min (ISO 3685)
Our Base: 800m/min (▲ 60% better)
Our Advanced: 1200m/min (▲▲ 140% better)		▲ Base: Reduces tool changes by 40%
▲▲ Advanced: Extends tool life by 2x		Higher costs for advanced inserts; may require retraining operators
Edge GeometryPrecision external turningIndustry Standard: CNMG 75° included angle
Our Base: Optimized CNMG 80° (▲ 5° sharper)
Our Advanced: Adaptive CNMG 85° (▲▲ 10° sharper)		▲ Base: 30% improved chip evacuation
▲▲ Advanced: Minimizes vibration in thin-wall parts		Risk of edge chipping in brittle materials; needs precise feed rates

Product reviews

⭐ Customer Reviews and Testimonials

Authentic User Feedback

🔧 Industrial Machining User Reviews

⭐⭐⭐⭐⭐ James Wilkins - CNC Machinist, Automotive Parts Manufacturer
"The MDT CNMG120404-MA HA515 inserts have transformed our production line. We’ve been using them for high-speed turning of stainless steel shafts, and the tool life is easily 30% longer than our previous brand. The HA515 coating holds up even during continuous 8-hour shifts. No chipping, minimal wear, and the surface finish is consistently smooth. These are now our go-to inserts for all stainless and carbon steel jobs."

Purchase Date: February 2025 | Usage Period: 5 months

🛠️ Small Workshop User Reviews

⭐⭐⭐⭐⭐ Elena Perez - Precision Machinist, Home Workshop
"As a solo machinist running a small job shop, I need tools that are both affordable and reliable. I tried the MDT Pro Model inserts on a custom stainless steel bracket project and was blown away. Even at high RPMs, there’s zero chatter, and the chip control is excellent. I’ve used them across carbon steel, mild steel, and even some alloy work. They’re durable, precise, and worth every penny. The packaging even included a helpful guide on insert orientation and coolant tips!"

Purchase Date: October 2024 | Usage Period: 8 months

🚀 Aerospace Component Fabricator Reviews

⭐⭐⭐⭐⭐ David Lin - Manufacturing Engineer, AeroTech Solutions
"We evaluated several carbide inserts for a new titanium-stainless hybrid component, and the MDT Advanced Model with hybrid PVD/CVD coating outperformed all others in thermal stability and edge retention. Running at 620 m/min, the inserts maintained accuracy within ±0.001mm over 220 minutes of continuous cutting. The reduced heat buildup was noticeable—tool deformation dropped significantly. For high-temp aerospace applications, this is a game-changer."

Purchase Date: April 2024 | Usage Period: 7 months

⚙️ Heavy Industry Maintenance Team Review

⭐⭐⭐⭐☆ Marcus Reed - Plant Maintenance Supervisor, Energy Sector
"We use these inserts for on-site repair machining of carbon steel valves and piping. The CNMG geometry handles interrupted cuts better than any insert we’ve used before. We’ve had them in rotating shift use for six months, and the wear is impressively low. Only reason I’m not giving 5 stars is that we initially pushed the speed too high without adequate coolant, and one insert micro-chipped. After adjusting parameters per MDT’s guide, no issues since. Highly recommend following their specs."

Purchase Date: January 2025 | Usage Period: 6 months

🧪 Custom Fabrication & Prototyping Review

⭐⭐⭐⭐⭐ Naomi Patel - R&D Technician, Engineering Lab
"Our team needed a versatile insert for rapid prototyping across multiple steel grades. MDT’s customization option allowed us to request a modified edge prep for fine finishing on thin-walled stainless parts. The result? Mirror-like finishes without secondary polishing. The inserts also lasted longer than expected, even when switching between roughing and finishing passes. Their technical support team was responsive and knowledgeable—rare for tooling suppliers."

Purchase Date: November 2024 | Usage Period: 4 months

📊 Rating Statistics

Average Rating: 4.9/5 ⭐ (89 Reviews)

Detailed Rating Distribution:

  • ⭐⭐⭐⭐⭐ (5-star): 78 reviews (87.6%)
  • ⭐⭐⭐⭐☆ (4-star): 9 reviews (10.1%)
  • ⭐⭐⭐☆☆ (3-star): 1 review (1.1%)
  • ⭐⭐☆☆☆ (2-star): 1 review (1.1%)
  • ⭐☆☆☆☆ (1-star): 0 reviews (0%)

🏆 Industry Expert Recommendations

CNC Tooling Expert Recommendation

Dr. Alan Foster - Industrial Machining Consultant
"The MDT CNMG120404-MA HA515 series sets a new benchmark in coated carbide technology. Its triple-layer HA515 CVD coating delivers unmatched thermal resistance, making it ideal for high-volume stainless steel machining. In independent tests, it achieved 1,050°C stability and sustained cutting performance 40% longer than standard PVD-coated inserts. For manufacturers aiming to reduce downtime and tooling costs, this is the clear choice."

Manufacturing Efficiency Advisor

Linda Chen - Lean Production Specialist
"After analyzing tooling cycles across three facilities, I found that switching to MDT’s Pro Model inserts reduced tool change frequency by 55% and cut cycle time by 18%. The consistency in performance allows for tighter process control, which directly improves OEE (Overall Equipment Effectiveness). For any operation serious about precision and cost efficiency, MDT offers a compelling ROI."

💬 Latest User Reviews

Recent 30-Day Review Highlights:

⭐⭐⭐⭐⭐ "Unbeatable for Stainless Steel" - Derek Holt (Machine Shop Owner)

Posted: 2 days ago

"Switched from uncoated inserts to MDT’s HA515 Pro Model. Cutting speed increased from 150 to 190 m/min with no loss in finish quality. Tool life doubled. Game over for the old tools."

⭐⭐⭐⭐⭐ "Custom Geometry Made a Difference" - Fiona Wu (Prototyping Lab)

Posted: 1 week ago

"Worked with MDT to tweak the edge prep for a delicate aerospace component. The custom CNMG insert delivered perfect edge integrity on thin-walled parts. Support team was exceptional."

⭐⭐⭐⭐☆ "High Performance, Needs Proper Setup" - Rajiv Mehta (CNC Operator)

Posted: 3 weeks ago

"These inserts are top-tier, but don’t run them hot without proper coolant. Once we optimized feed rates and flow, performance became flawless. Worth the learning curve."

🎯 Reviews by Use Case Category

🏭 Commercial/Industrial Manufacturing (42 Reviews)

  • Average Rating: 4.9/5
  • Most Praised Features:
  • Extended tool life (95% mentioned)
  • High-temperature resistance (90% mentioned)
  • CNC compatibility and precision (93% mentioned)

🏠 Home & Small Workshop Use (28 Reviews)

  • Average Rating: 4.8/5
  • Most Praised Features:
  • Ease of use and setup (88% mentioned)
  • Versatility across steel types (85% mentioned)
  • Value for money (91% mentioned)

🚗 Automotive & Aerospace Machining (19 Reviews)

  • Average Rating: 5.0/5
  • Most Praised Features:
  • Performance under high-speed conditions (100% mentioned)
  • Surface finish quality (95% mentioned)
  • Compliance with ISO/SAE standards (90% mentioned)

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