Korloy CCMT09T304-HMP NC3120 Universal Steel Turning Insert (10pcs)
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The Original Korloy CCMT09T304-HMP NC3120 is the premier "All-Rounder" solution for steel turning applications. Engineered as a balanced grade, the NC3120 sits perfectly between high-wear resistance and impact toughness. This makes it the most versatile insert in your toolbox, capable of handling continuous cuts as well as light interrupted machining across a wide variety of steel alloys.
Technical Specifications:
| Brand | Korloy (100% Genuine) |
| ISO Code | CCMT09T304-HMP |
| Grade | NC3120 (Universal Balance Grade) |
| Nose Radius | 0.4 mm (Standard Finishing) |
| Chipbreaker | HMP (Versatile Medium Duty) |
Core Performance Benefits:
- Universal Versatility: Reduces the need for tool changes by performing reliably in both stable and semi-stable steel turning environments.
- Optimized Edge Toughness: Specialized edge treatment prevents premature chipping while maintaining the sharpness required for fine surface finishes.
- CVD Coating Technology: Features a robust thermal barrier that protects the carbide substrate during medium-to-high speed continuous cutting.
- Consistent Tool Life: Engineered for predictability, helping machine shops maintain steady production cycles without unexpected failures.
Recommended Cutting Parameters:
| Workpiece Material | Cutting Speed (Vc) | Feed Rate (f) | Depth of Cut (ap) |
|---|---|---|---|
| Carbon Steel (HB180-280) | 150 - 320 m/min | 0.10 - 0.25 mm/rev | 0.5 - 3.5 mm |
| Alloy Steel (HB280-350) | 120 - 250 m/min | 0.08 - 0.22 mm/rev | 0.5 - 3.0 mm |
Compatible Tool Holders:
This CCMT 09 size insert pairs perfectly with standard SCLCR/L tool holders. Ensure maximum rigidity for the best results:
- External Turning: SCLCR1212H09 / SCLCR1616H09 / SCLCR2020K09
- Boring Bars (Internal): S12M-SCLCR09 / S16Q-SCLCR09 / S20R-SCLCR09
Quick Guide: Korloy Steel Grade Selection
How does NC3120 compare to other Korloy grades?
Optimized for continuous, high-speed turning in rigid setups.
The "Universal" choice. High reliability across most general machining tasks.
The specialist for interrupted cuts and unstable/shaky conditions.
Shop Tip: If you want to stock one insert that can do 80% of your steel jobs, NC3120 is your best investment.
Packaging: 10 pieces per box.