Mitsubishi CCMT060204 UTI20T Uncoated Universal Carbide Turning Insert (10pcs)
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CCMT060204 UTI20T
The Multi-Material Workhorse | Uncoated Sub-Micron Carbide | 0.4mm Finish Radius
Toughness & General Purpose Versatility
UTI20T Grade (Uncoated Classic): UTI20T is a time-tested, sub-micron uncoated carbide grade. Unlike specialized coated grades, UTI20T offers a high degree of mechanical toughness. It is designed for General Purpose Turning across a wide range of materials (Steel, Stainless, and Cast Iron) specifically at low-to-medium cutting speeds where modern coatings might flake or peel.
0.4mm Precision Radius (Precision & Stability): The 04 (1/64") radius is the industry standard for finishing to semi-finishing. It excels in small-diameter boring (internal) and precision turning (external), providing a sharp enough edge to minimize tool pressure and chatter in light-duty CNC lathes and manual machines.
Metric vs. Imperial Comparison
| System | Model Designation | I.C. (Inscribed Circle) | Thickness | Radius (RE) |
|---|---|---|---|---|
| Metric | CCMT060204 | 6.35 mm | 2.38 mm | 0.40 mm |
| Imperial | CCMT21.51 | 1/4" | 3/32" | 0.0157" (1/64") |
Recommended Cutting Parameters
*UTI20T is best suited for stable setups. If speeds are too high, consider switching to a coated grade like VP15TF.
| Material Group | Speed (Vc) | Feed (fn) | Depth (Ap) |
|---|---|---|---|
| Mild Steel (P) | 60 - 150 m/min | 0.05 - 0.20 mm/r | 0.20 - 1.50 mm |
| Cast Iron (K) | 50 - 120 m/min | 0.05 - 0.18 mm/r | 0.20 - 1.20 mm |
Required Tool Holder
Maximum performance for SCLCR/L 06 series Turning Tools and Boring Bars:
Shop SCLCR 06 HoldersPro-Tip: UTI20T vs HTI10
UTI20T (Universal): The Workhorse. It is designed to handle a mix of Steel and Iron. It is tougher and can handle more impact than HTI10.
HTI10 (Non-Ferrous): Use HTI10 only for Aluminum and Non-Ferrous. UTI20T is the better choice for everyday shop work where you aren't sure exactly what material is coming next.
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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.