Mitsubishi CCMW120408 HTI10 Uncoated Carbide Insert for Aluminum & Cast Iron
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CCMW120408 HTI10
Non-Ferrous Master | Uncoated Micro-Grain | Flat-Top Precision
HTI10 Grade & Flat-Top Geometry
HTI10 Grade (Uncoated Tungsten Carbide): HTI10 is a high-toughness, micro-grain uncoated carbide. It is specifically engineered for Aluminum alloys, Copper, Brass, and Gray Cast Iron. Because it is uncoated, the cutting edge remains exceptionally sharp, which is critical for preventing "smearing" in soft non-ferrous metals and ensuring a clean shear in abrasive cast irons.
CCMW Geometry (Flat-Top): The CCMW design features a flat rake face without a chipbreaker. This provides the most stable and rigid cutting edge possible. In non-ferrous machining, this helps maintain high-speed stability, while in cast iron, it prevents the edge chipping typically seen in grooved geometries.
0.8mm Radius for Stability: The 08 (1/32") radius is the industry standard for medium-duty turning. It offers excellent surface finish results while providing enough bulk to resist the heat generated during high-speed aluminum turning.
Metric vs. Imperial Comparison
| System | Model Designation | I.C. (Inscribed Circle) | Thickness | Radius (RE) |
|---|---|---|---|---|
| Metric | CCMW120408 | 12.7 mm | 4.76 mm | 0.80 mm |
| Imperial | CCMW432 | 1/2" | 3/16" | 0.0315" (1/32") |
Recommended Cutting Parameters
*For Aluminum, high-speed machining with flood coolant is recommended to prevent built-up edge.
| Material Group | Speed (Vc) | Feed (fn) | Depth (Ap) |
|---|---|---|---|
| Aluminum Alloys | 300 - 800 m/min | 0.10 - 0.40 mm/r | 0.50 - 4.00 mm |
| Gray Cast Iron | 80 - 200 m/min | 0.15 - 0.45 mm/r | 1.00 - 4.50 mm |
Pro-Tip: HTI10 vs. Coated Grades
HTI10 (Uncoated): Essential for non-ferrous metals. The lack of coating allows the edge to be ground to a much higher sharpness, reducing the "stickiness" of aluminum.
UC5115 (Coated): Use for general cast iron where speed is high. However, never use coated steel grades on aluminum, as the chemical reaction will cause the metal to fuse to the insert.
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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.