Mitsubishi DCGT11T304R-F VP15TF Ground Precision Finishing Insert (10pcs)
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DCGT11T304R-F VP15TF
G-Class Ground Precision | VP15TF Miracle PVD | F-Finishing Geometry
Superior Precision Ground Engineering
VP15TF Grade (Miracle PVD Performance): The VP15TF is Mitsubishi’s premier universal PVD grade. Using a micro-grain carbide substrate and (Al,Ti)N Miracle Coating, it provides a hard, heat-resistant surface that prevents built-up edge (BUE). The PVD process ensures the coating remains thin and uniform, preserving the razor-sharpness of the ground edge—essential for finishing Stainless Steel and Alloy Steels.
F-Chipbreaker (Fine-Cut Specialist): The F-geometry is a high-rake, positive chipbreaker designed specifically for finishing depths. It provides excellent chip control even at low depths of cut, preventing long, stringy chips from scratching the finished surface or tangling around the workpiece.
G-Class Accuracy: Unlike molded DCMT series, the DCGT is precision ground on its entire periphery. This results in an indexing tolerance of ±0.025mm, ensuring that when you flip the insert to a new edge, your machine's offset requires minimal adjustment.
Metric vs. Imperial Comparison
| System | Model Designation | I.C. (Inscribed Circle) | Thickness | Radius (RE) |
|---|---|---|---|---|
| Metric | DCGT11T304R-F | 9.525 mm | 3.97 mm | 0.40 mm |
| Imperial | DCGT32.51R-F | 3/8" | 5/32" | 0.0157" (1/64") |
Precision Machining Recommendations
*The F-breaker is optimized for light loads. For best surface Ra, maintain consistent feed rates within the range below.
| Workpiece Material | Speed (Vc) | Feed (fn) | Depth (Ap) |
|---|---|---|---|
| Alloy Steel (SCM/4140) | 140 - 280 m/min | 0.05 - 0.15 mm/r | 0.10 - 1.50 mm |
| Stainless Steel (304/316) | 90 - 190 m/min | 0.05 - 0.12 mm/r | 0.10 - 1.20 mm |
Compatible Tool Holders
Maximum performance when used with SDJCR or SDUCR 11-series holders:
Shop SDJCR 11 HoldersPro-Tip: Ground DCGT vs. Molded DCMT
DCGT (Ground): Best for aerospace or medical parts where tolerances are tighter than +/- 0.01mm. The ground edge significantly reduces cutting resistance and vibration.
DCMT (Molded): Use for general-purpose roughing or semi-finishing where the accuracy of the insert index is less critical than cost-per-edge.
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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.