Mitsubishi MMT16ER100ISO-S VP15TF Threading Insert | MMC Japan
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MMT16ER100ISO-S VP15TF
Mitsubishi Materials | MMT Series External ISO Metric Threading
The Mitsubishi MMT16ER100ISO-S VP15TF is a high-precision external threading insert designed for 1.0mm pitch ISO metric threads. As a staple in the MMT series, this insert features the advanced -S type 3D chipbreaker, which is specifically engineered to manage chip flow during high-speed threading. Coated with the high-performance VP15TF Miracle PVD coating, this tool provides an exceptional balance of toughness and heat resistance, making it ideal for threading steel, stainless steel, and tough alloys.
Technical Specifications
| ISO/Metric Designation | MMT16ER100ISO-S |
|---|---|
| Thread Standard / Angle | ISO Metric 60° (Full Form) |
| Thread Pitch | 1.0 mm |
| Insert Size (IC) | 9.525 mm (3/8") |
| Grade / Coating | VP15TF (Miracle PVD Coated) |
VP15TF Miracle Grade
The VP15TF grade is Mitsubishi’s premier PVD-coated carbide. Utilizing the Al-Ti-N Miracle coating technology, it offers superior resistance to built-up edge (BUE) and thermal cracking. This grade is the industry standard for indexable threading where versatility and high-speed stability are required.
-S Type 3D Chipbreaker
The -S type geometry features a molded 3D chip groove that forces chips to curl and break even at low feed rates common in threading. In CNC threading, this eliminates long, stringy chips that can wrap around the workpiece, ensuring a perfect thread surface finish and protecting your threading tool holder.
Recommended Cutting Parameters
| Workpiece Material | Cutting Speed ($v_c$) | Number of Passes |
|---|---|---|
| Carbon Steels (S45C) | 100 - 180 m/min | 6 - 10 |
| Stainless Steels (304/316) | 80 - 140 m/min | 8 - 12 |
| Alloy Steels (SCM440) | 90 - 160 m/min | 7 - 11 |
MMTE EXTERNAL HOLDERS
This 16ER insert is designed for Mitsubishi MMTE external holders and standard 16mm threading bars.
Shop MMTE Holders →Metric vs. Inch Cross-Reference
| Feature | Metric Standard | ANSI Standard (Inch) |
|---|---|---|
| Insert Size | 16 mm | 3/8" IC |
| Thread Pitch | 1.0 mm | ~25.4 TPI |
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.