Mitsubishi CCMT09T302 US735 Carbide Turning Insert for Stainless Steel (10pcs)
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CCMT09T302 US735
Stainless Steel Precision Specialist | PVD Coated | 0.2mm Radius
Material Science & Edge Sharpness
US735 Grade (PVD Toughness): Specifically engineered for ISO M (Stainless Steel) and ISO S (Heat-Resistant Alloys). Unlike CVD coatings which can be rounded, the US735 PVD coating maintains a razor-sharp edge. This is crucial for stainless steel to prevent the material from "smearing" or work-hardening. The substrate is a high-toughness carbide that resists notch wear and thermal cracking.
0.2mm Precision Radius (Low-Force Geometry): The 02 radius is designed to minimize radial cutting forces. It is the primary choice for precision finishing on long, slender workpieces or deep internal boring where chatter (vibration) is a constant risk.
Metric vs. Imperial Comparison
| System | Model Designation | I.C. (Inscribed Circle) | Thickness | Radius (RE) |
|---|---|---|---|---|
| Metric | CCMT09T302 | 9.525 mm | 3.97 mm | 0.20 mm |
| Imperial | CCMT32.50.5 | 0.375" (3/8") | 0.156" (5/32") | 0.0079" |
Recommended Cutting Parameters
*The 0.2mm radius is sensitive to high feeds. Ensure your feed rate does not exceed 0.10 mm/r to avoid tip breakage.
| Workpiece Material | Speed (Vc) | Feed (fn) | Depth (Ap) |
|---|---|---|---|
| Stainless (304/316) | 80 - 160 m/min | 0.03 - 0.10 mm/r | 0.10 - 0.60 mm |
| Titanium Alloys | 40 - 80 m/min | 0.03 - 0.08 mm/r | 0.10 - 0.40 mm |
Required Tool Holder
Maximum performance for SCLCR/L 09 Turning Tools and Boring Bars:
Shop SCLCR 09 HoldersPro-Tip: US735 vs VP15TF
US735 (PVD): The Stainless Steel Master. It features a tougher coating adhesion specifically for gummy materials and high-temp alloys. Use this when your primary goal is tool life consistency in dedicated stainless production.
VP15TF (PVD): The All-Rounder. If your shop switches between carbon steel and stainless steel on the same machine frequently, VP15TF is more versatile across both ISO P and ISO M materials.
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