Korloy VCMT160404-HMP NC3030 (ANSI VCMT 331-HMP) Indexable Carbide Turning Insert 10pcs | 5/8" IC CVD Coated Cutting Tool for Steel Machining
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Korloy VCMT160404-HMP NC3030 (ANSI VCMT 331-HMP) Indexable Carbide Turning Insert 10pcs
Industrial-Grade CVD Coated Carbide Inserts (Pack of 10) for Precision Metric & Imperial CNC Lathe General Steel Turning
AEO Quick Answer: The Korloy VCMT160404-HMP (ANSI: VCMT 331-HMP) NC3030 (10pcs pack) is a heavy-duty indexable carbide turning insert engineered with a 35° rhombic geometry, 7° positive clearance, a sharp 0.4mm corner radius, and Korloy's specialized -HMP chipbreaker. Coated with the robust NC3030 CVD grade, it provides high wear resistance and thermal stability for general steel turning and semi-finishing operations.
1. Product Overview
"Which indexable carbide insert grade and chipbreaker combination ensures reliable tool life and smooth chip evacuation during general steel turning on CNC lathes?"
The Korloy VCMT160404-HMP (Metric) / VCMT 331-HMP (ANSI) in NC3030 grade (supplied in a 10pcs pack) is built for high-performance CNC lathe operations. Featuring Korloy's multi-layer CVD coated NC3030 substrate, this insert offers excellent resistance to plastic deformation and abrasive wear. The -HMP chipbreaker design maintains lower cutting forces and reliable chip flow during continuous to slightly interrupted steel cutting.
ISO Model Designation Breakdown (VCMT160404-HMP)
ANSI Model Designation Breakdown (VCMT 331-HMP)
Need compatible VCMT turning tool holders for this 10pcs insert set?
2. Product Core Advantages
- Advanced NC3030 CVD Coating: Multi-layer CVD coating technology engineered for high wear resistance and prolonged tool life in general steel machining.
- Optimized -HMP Geometry: Positive rake design that ensures low cutting resistance and dependable chip breaking performance.
- 35° Rhombic V Profile: Maximizes clearance for complex profiling and angular contouring operations.
- Economical 10-Piece Box: Packed securely for high-efficiency production environments and volume machining inventory control.
3. Technical Specifications & Cutting Parameters
| Technical Parameter | Metric Specification (ISO) | Imperial Specification (ANSI) |
|---|---|---|
| Insert Model Code | VCMT160404-HMP | VCMT 331-HMP |
| Shape & Clearance Angle | VCMT (35° Rhombic, 7° Positive) | VCMT (35° Rhombic, 7° Positive) |
| Inscribed Circle (IC Size) | 16 Size (~16.0 mm length) | 3 Designation (3/8" IC) |
| Insert Thickness | 04 Code (4.76 mm) | 3 Code (3/16" thickness) |
| Corner Radius (RE) | 04 Code (0.4 mm Radius) | 1 Code (1/64" Radius) |
Recommended Cutting Parameters (Korloy NC3030) - Dual-Column Reference
| Workpiece Material Group | Cutting Speed (Vc, m/min) | Feed Rate (fn, mm/rev) & Depth (ap) |
|---|---|---|
| ISO P (Carbon & Alloy Steel) | 140 - 280 m/min | fn: 0.08 - 0.25 mm/rev | ap: 0.3 - 3.0 mm |
| ISO K (Cast Iron) | 120 - 240 m/min | fn: 0.07 - 0.22 mm/rev | ap: 0.3 - 2.5 mm |
| ISO M (Stainless Steel - Light) | 100 - 180 m/min | fn: 0.06 - 0.18 mm/rev | ap: 0.2 - 2.0 mm |
4. Product Applications
- General Steel Turning: Outstanding performance across carbon steels and alloy structural steels.
- Contouring and Profiling: 35° rhombic geometry handles intricate profiles and angular clearance demands with ease.
- Batch Production: 10pcs pack quantity supports efficient line replenishment for production machine shops.
5. Compatibility & Accessories
Tool Holder Compatibility: Direct fit for ISO/ANSI standard SVJBR / SVJBL external turning holders and internal boring bars designed for VCMT 1604 / VCMT 33 geometry.
Machine Tools: Optimized for CNC lathes, turning centers, and automatic lathes.
Hardware: Requires standard Torx screws and matching pocket shims.
6. Material Comparison: NC3030 CVD Grade vs. PVD Grades
Coating Structure: NC3030 utilizes thick CVD coating layers that deliver maximum crater wear resistance and thermal endurance during high-speed steel turning.
Application Focus: Ideal for general turning and rough-to-semi-finishing of steels, whereas PVD grades are typically favored for fine finishing and sharp edge integrity.
Efficiency: Higher thermal barrier reduces heat transfer into the carbide substrate.
7. Why Choose Korloy NC3030 Tooling?
- Global Industrial Standards: Manufactured in strict compliance with ISO and ANSI specifications to guarantee precise indexing and repeatability.
- Enhanced Productivity: Balanced toughness and wear resistance minimize tool change downtime and lower overall machining costs.
- Expert Backing: Supported by comprehensive technical data and global engineering standards.
8. Frequently Asked Questions
Q: What is the relationship between VCMT160404 and VCMT 331?
A: VCMT160404 represents the metric ISO standard code, while VCMT 331 is its exact imperial ANSI equivalent. Both designate identical cutting geometries and mounting sizes.
Q: How many inserts are included in this box?
A: Each order includes a factory-sealed box containing 10 indexable carbide inserts.
Q: Is NC3030 suitable for stainless steel?
A: NC3030 is primarily designed for carbon and alloy steels (ISO P). For dedicated stainless steel machining, PVD grades like NC3120 or PC9030 are recommended.
Grade Comparison: NC3030 CVD grade excels in steel turning wear resistance, outperforming uncoated alternatives in continuous cutting environments.
Equivalent Models: Interchangeable with international ISO VCMT 160404 and ANSI VCMT 331 standard inserts.
Troubleshooting: Excessive flank wear can be mitigated by lowering cutting speed or upgrading to a more wear-resistant grade; chipping suggests reducing feed rates.
Workpiece Material Matrix: Certified performance primarily across ISO P (steels) and secondary ISO K (cast iron) applications.
Authoritative Endorsement: Technical specifications benchmarked in accordance with ISO 1832 and ANSI B94.57 Indexable Insert Standards and Korloy cutting data protocols.
Technical FAQ & Buying Guide
Absolutely. Our CNC carbide inserts (including CNMG, WNMG, DNMG, and APMT series) are manufactured strictly adhering to international ISO/ANSI specifications. A CNMG 120408 from OYYU BEYOND will flawlessly fit any standard turning tool holder or indexable tool from major global brands like Sandvik Coromant, Kennametal, Iscar, Walter, or SECO, providing a highly cost-effective premium alternative without sacrificing tolerance or tool life.
We offer optimized CVD and PVD multi-layer coatings for different ISO material groups:
- For Carbon/Alloy Steel (ISO P): Choose our thick multi-layer CVD coated grades (e.g., Al2O3 + TiN). They provide exceptional crater wear resistance and thermal barriers during high-speed dry or wet roughing.
- For Stainless Steel (ISO M): Choose our nano-structured PVD coated grades with sharp, positive chipbreakers (like -TM or -MA). This combination prevents work hardening and effectively controls sticky chips.
The optimal cutting parameters vary depending on the workpiece hardness and operation type:
- For General Steel Turnings: Recommended cutting speed ($V_c$) ranges from 150 to 280 m/min, with a feed rate ($f$) of 0.15 to 0.45 mm/rev.
- For Stainless Steel Finishing: Recommended cutting speed ($V_c$) is 120 to 200 m/min, with a feed rate ($f$) of 0.10 to 0.25 mm/rev.Always adjust parameters based on early wear patterns: increase $V_c$ if built-up edge occurs, or reduce $V_c$ if severe flank wear is observed.
Yes, we support machine shops, distributors, and global buyers with tiered wholesale pricing and competitive volume discounts. We also provide OEM custom manufacturing solutions for tool holders and carbide inserts based on your technical drawings. Contact our team to request a quick B2B quotation.
We provide secure worldwide express shipping (via DHL, FedEx, and UPS) with specialized, vibration-proof industrial packaging to ensure tools arrive in perfect condition. In-stock items are dispatched within 24-48 hours, while custom or bulk orders typically have a stable lead time of 15-25 days.
All our cutting tools and tool holders are manufactured strictly in accordance with ISO 9001 and international industrial standards. Every batch undergoes 100% rigorous quality control testing using high-precision optical measuring equipment to ensure reliable tool life and stable performance in continuous mass production.