Mitsubishi MMT16ER110BSPT-S VP15TF Threading Insert | MMC Japan
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MMT16ER110BSPT-S VP15TF
Mitsubishi Materials | MMT Series External BSPT (Whitworth) | 11 TPI
The Mitsubishi MMT16ER110BSPT-S VP15TF is a precision-ground external threading insert specifically engineered for 11 TPI British Standard Pipe Taper (BSPT) threads. This 55° Whitworth profile insert is the industrial choice for high-pressure pipe fittings and fluid systems. Featuring the advanced -S type 3D molded chipbreaker, it provides superior chip control during CNC threading, curling chips away to protect the tapered surface finish. Coated with VP15TF Miracle PVD, this insert is highly effective for threading stainless steel, carbon steel, and alloyed materials.
Technical Specifications
| ISO/Metric Designation | MMT16ER110BSPT-S |
|---|---|
| Thread Standard | BSPT (Whitworth Pipe Taper) |
| Threads Per Inch (TPI) | 11 TPI |
| Thread Angle | 55° Full Form |
| Grade / Coating | VP15TF (Miracle Al-Ti-N PVD) |
VP15TF Miracle Grade
The VP15TF grade is a micro-grain carbide substrate with a specialized Miracle (Al-Ti-N) PVD coating. It is designed for indexable threading where extreme toughness and heat resistance are required. This grade prevents built-up edge (BUE) and edge chipping, making it ideal for the high pressures involved in cutting 11 TPI BSPT profiles.
-S Type (3D) Chipbreaker
The -S molded chipbreaker is an advanced 3D geometry that ensures optimal chip control. By reducing cutting resistance, it helps maintain the strict tolerances required for tapered threads, ensuring a leak-proof surface finish and reducing vibration in long-reach operations.
Recommended Cutting Parameters
| Workpiece Material | Cutting Speed ($v_c$) | Recommended No. of Passes |
|---|---|---|
| Carbon Steel (S45C) | 90 - 160 m/min | 12 - 18 |
| Stainless Steel (SUS304) | 70 - 130 m/min | 14 - 22 |
| Alloy Steel (SCM440) | 80 - 140 m/min | 13 - 20 |
EXTERNAL TOOLING SYSTEM
This 16ER insert is designed for Mitsubishi MMTE external holders. Ensure the correct shim is used for tapered pipe threading.
Shop MMTE Holders →Metric vs. Inch Cross-Reference
| Feature | Metric (ISO Model) | Inch Equivalent (ANSI) |
|---|---|---|
| Insert Size | 16 ER | 16ER (3/8" IC) |
| Thread Pitch | ~2.309 mm | 11 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.