Korloy CCMT09T308-HMP PC9030 Robust Stainless Steel Turning Insert (10pcs)
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The Original Korloy CCMT09T308-HMP PC9030 is a high-performance carbide insert designed for maximum productivity in stainless steel turning. While smaller radii are meant for light finishing, the 0.8mm (R0.8) nose radius of this model allows for significantly higher feed rates and provides superior resistance to edge chipping. Combined with the industry-standard PC9030 PVD coating, it ensures stable tool life even in the toughest austenitic stainless steels.
Swiss Lathe & Small Part Expert: Processing small precision parts? Check our latest guide: Optimizing Stainless Steel on Swiss Lathes.
Technical Specifications:
| Brand | Korloy (100% Genuine) |
| ISO Code | CCMT09T308-HMP |
| Grade | PC9030 (Premium PVD for Stainless) |
| Nose Radius | 0.8 mm (Enhanced Edge Strength) |
| Primary Application | Stainless Steel / Heat Resistant Alloys |
Core Performance Benefits:
- High-Feed Capability: The robust 0.8mm radius allows you to increase feed rates (mm/rev) without sacrificing edge integrity, cutting your cycle times.
- Superior Heat Dissipation: The larger radius helps spread the cutting heat over a wider area, preventing premature thermal cracking in gummy materials.
- PVD Anti-Adhesion Coating: The PC9030 grade is engineered to prevent Built-Up Edge (BUE), ensuring that stainless steel fibers don't stick to the tool.
- HMP Chipbreaker: Optimized for medium-duty applications, providing excellent chip breaking even at higher depths of cut.
Recommended Cutting Parameters:
| Workpiece Material | Cutting Speed (Vc) | Feed Rate (f) | Depth of Cut (ap) |
|---|---|---|---|
| Stainless 304 / 316 | 90 - 160 m/min | 0.10 - 0.25 mm/rev | 0.8 - 3.0 mm |
| Duplex Stainless Steel | 50 - 100 m/min | 0.08 - 0.20 mm/rev | 0.8 - 2.5 mm |
Compatible Tool Holders:
To take advantage of the higher feed rates possible with the R0.8 radius, use a rigid SCLCR/L type holder:
- External Turning: SCLCR1616H09 / SCLCR2020K09 / SCLCR2525M09
- Boring Bars (Internal): S16Q-SCLCR09 / S20R-SCLCR09 / S25S-SCLCR09
Quick Guide: R0.4 vs. R0.8 in Stainless
Which nose radius should you choose for your CCMT09?
Best for fine surface finishes and maintaining low radial pressure to avoid vibration in small diameters.
Best for semi-finishing and roughing. Offers maximum tool life and productivity during material removal.
Machinist's Tip: If your R0.4 insert is wearing out too fast due to heat, switching to R0.8 is the easiest way to increase tool life without changing speeds.
Packaging: 10 pieces per box.