Mitsubishi WBGT030202L-F VP15TF Carbide Turning Insert | WBGT 1.21.1L-F
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Mitsubishi WBGT030202L-F VP15TF
Universal PVD Coated Grade for Ultra-Precision Finishing
The Mitsubishi WBGT030202L-F VP15TF is a premium 80° trigonal positive-type carbide turning insert. Designed with the world-renowned VP15TF Miraculo PVD coating, this insert provides the ultimate balance of hardness and toughness. Whether you are machining stainless steel, carbon steel, or high-temperature alloys, this WBGT 1.21.1L-F ANSI equivalent offers exceptional edge sharpness and prevents built-up edge (BUE) in precision Swiss-type CNC lathes.
Detailed Model Nomenclature
Decoding the precision engineering behind the WBGT030202L-F identification code:
| Code | Detailed Specification |
|---|---|
| W | Shape: 80° Trigon (Positive Shape) |
| B | Clearance Angle: 5° (Positive Clearance) |
| G | Tolerance Class: High-Precision Ground Class |
| T | Feature: Single-Sided with Hole and Chipbreaker |
| 03 | Size: ~3mm Cutting Edge Length |
| 02 | Thickness: 2.38mm |
| 02 | Nose Radius: 0.2mm (Sharp Radius for Fine Finishing) |
| L-F | Geometry: Left-Hand Orientation / F-Breaker (Super Finishing) |
Global Standards: Metric vs. Imperial
Standardized for global precision turning tool compatibility:
- ISO (Metric): WBGT030202L-F
- ANSI (Imperial): WBGT 1.21.1L-F
VP15TF Grade & F-Breaker Details
VP15TF Miraculo PVD Coating: The VP15TF grade utilizes a TiAlN-based multi-layer PVD coating. This provides exceptional oxidation resistance and edge toughness, making it the perfect choice for small-part machining where thermal cracking is a concern. It is specifically optimized for precision profiling.
F-Breaker Geometry: The F-Breaker is a high-performance finishing chipbreaker. Its design allows for superior chip control at very low feed rates and shallow depths of cut, ensuring a mirror-like surface finish and high dimensional accuracy.
Recommended Cutting Parameters
| Workpiece Material | Cutting Speed (Vc) | Feed Rate (f) | Depth of Cut (ap) |
|---|---|---|---|
| Stainless Steel (M10-M20) | 80 - 160 m/min | 0.03 - 0.10 mm/rev | 0.1 - 0.5 mm |
| Carbon/Alloy Steel (P10-P20) | 100 - 200 m/min | 0.03 - 0.12 mm/rev | 0.1 - 0.7 mm |
System Integration
Maintain maximum stability in precision Swiss-type lathes by pairing this WBGT insert with our premium boring bars or external holders.
Shop Compatible WBGT Tool HoldersPro-Tip: Grade Selection Advice
VP15TF is your go-to grade for reliability across diverse materials. If you require a high-gloss mirror finish on steel specifically, consider the NX2525 cermet grade. For non-ferrous metals (Aluminum/Brass), switch to the HTI10 or TF15 non-coated carbide grades for the sharpest edge possible.
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.