Mitsubishi DCMT11T304 HTI10 Carbide Turning Insert for Aluminum & Copper
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DCMT11T304 HTI10
Uncoated Precision | Non-Ferrous Specialist | High-Mirror Finish
The Edge Sharpness Leader
HTI10 Grade (Uncoated Tungsten Carbide): The HTI10 is a high-hardness, fine-grained uncoated carbide grade. Without the "rounding" effect of CVD or PVD coatings, the HTI10 maintains a razor-sharp edge. It is specifically engineered for non-ferrous materials where chip welding is a risk, providing a mirror-like surface finish on Aluminum alloys, Brass, Bronze, and high-density Plastics.
DCMT Geometry (Free-Cutting): The 55-degree diamond shape with a 7-degree positive relief angle is designed for minimal cutting resistance. This is vital when machining soft materials to prevent the part from deforming or vibrating, especially in thin-walled components.
0.4mm Radius (Precision Profiling): The "04" nose radius allows for intricate detailing and precision finishing. It generates low radial force, ensuring that tolerances remain tight even during high-speed finishing passes on non-ferrous workpieces.
Metric vs. Imperial Comparison
| System | Model Designation | I.C. (Inscribed Circle) | Thickness | Radius (RE) |
|---|---|---|---|---|
| Metric | DCMT11T304 | 9.525 mm | 3.97 mm | 0.40 mm |
| Imperial | DCMT32.51 | 3/8" | 5/32" | 0.0157" (1/64") |
Recommended Cutting Parameters
*HTI10 is uncoated. High cutting speeds with fluid are recommended for Aluminum to ensure mirror finish.
| Workpiece Material | Speed (Vc) | Feed (fn) | Depth (Ap) |
|---|---|---|---|
| Aluminum Alloy (6061/7075) | 300 - 800 m/min | 0.05 - 0.20 mm/r | 0.10 - 2.00 mm |
| Copper / Brass / Bronze | 150 - 400 m/min | 0.05 - 0.15 mm/r | 0.10 - 1.50 mm |
Compatible Tool Holders
Ensure high-speed stability with 11-series SDJCR/L or SDUCR/L holders:
Shop SDJCR 11 HoldersPro-Tip: HTI10 vs. VP15TF
HTI10 (Uncoated Specialist): Superior for Aluminum and Plastics. The lack of coating allows for the sharpest edge possible, preventing "fuzziness" or melting of the material.
VP15TF (PVD Generalist): Use this if you are switching between Steel and Aluminum. While less sharp than HTI10, the coating provides protection if you accidentally cut ferrous metals.
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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.