Korloy CCMT09T302-HMP NC3020 Steel Turning Insert (10pcs)
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The Original Korloy CCMT09T302-HMP NC3020 is a premium turning insert designed for high-precision steel finishing. Combining the specialized HMP chipbreaker with an ultra-fine R0.2 nose radius, this insert provides the perfect solution for tight tolerances and superior surface finishes on carbon and alloy steels.
Technical Specifications:
| Brand | Korloy (100% Genuine) |
| ISO Code | CCMT09T302-HMP |
| Grade | NC3020 (CVD Coated for Steel) |
| Nose Radius | 0.2 mm (Ultra-Precision Finishing) |
| Material Application | Carbon Steel, Alloy Steel (P10-P30) |
Core Performance Benefits:
- Exceptional Surface Quality: The R0.2 radius reduces radial cutting force, minimizing vibration and delivering a smoother finish on delicate parts.
- NC3020 Grade Reliability: Features a thick CVD coating for excellent thermal stability and flank wear resistance during continuous cutting.
- Precise Chip Control: The HMP geometry is engineered to break chips effectively even at light depths of cut, preventing "bird's nesting."
- Tight Tolerances: Ideal for machining internal diameters and small external profiles where precision is critical.
Recommended Cutting Parameters:
| Workpiece Material | Cutting Speed (Vc) | Feed Rate (f) | Depth of Cut (ap) |
|---|---|---|---|
| Carbon Steel (HB180-280) | 150 - 320 m/min | 0.05 - 0.15 mm/rev | 0.1 - 1.5 mm |
| Alloy Steel (HB280-350) | 120 - 260 m/min | 0.05 - 0.12 mm/rev | 0.1 - 1.2 mm |
Compatible Tool Holders:
For peak performance, pair this insert with standard SCLCR/L tool holders (Size 09):
- External Turning: SCLCR1212H09 / SCLCR1616H09 / SCLCR2020K09
- Internal Boring Bars: S12M-SCLCR09 / S16Q-SCLCR09 / S20R-SCLCR09
Packaging: 10 pieces per box.
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.