Mitsubishi GPMT11T308-U2 VP15TF Carbide Insert | Genuine MMC Japan
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GPMT11T308-U2 VP15TF
Mitsubishi Materials | High-Performance Miracle Coated Series
The Mitsubishi GPMT11T308-U2 VP15TF is a premium parallelogram turning insert designed for precision copying and general turning. Powered by Mitsubishi’s legendary Miracle Coating (PVD), the VP15TF grade offers exceptional versatility. It is the industry’s go-to solution for machining stainless steel, carbon steel, and heat-resistant alloys, ensuring extended tool life and superior surface integrity.
Technical Specifications
| ISO Code (Metric) | GPMT11T308-U2 |
|---|---|
| ANSI Code (Inch) | GPMT 3(2.5)2-U2 |
| Material Grade | VP15TF (PVD Miracle Coating) |
| Corner Radius | 0.8 mm (1/32") |
| Chipbreaker | U2 (Medium Copying) |
VP15TF Grade Advantage
The VP15TF Miracle Grade is a high-toughness carbide substrate combined with a high-adhesion PVD coating. It excels at preventing built-up edge (BUE) and notch wear, making it extremely reliable for medium-speed machining of austenitic stainless steels and alloy steels.
U2 Chipbreaker Profile
The U2 chipbreaker is specialized for copying and profiling. It features a unique rake angle designed to facilitate stable chip breaking even at varying depths of cut, reducing the risk of "bird-nesting" chips during CNC lathe operations.
Recommended Cutting Parameters
| Workpiece Material | Cutting Speed ($v_c$) | Feed Rate ($f$) |
|---|---|---|
| Stainless Steel (304/316) | 100 - 180 m/min | 0.10 - 0.25 mm/rev |
| Carbon & Alloy Steel | 120 - 220 m/min | 0.15 - 0.30 mm/rev |
COMPATIBLE CNC TOOLING
This GPMT insert is typically mounted on SRGCR/L or HRGCR/L tool holders.
EXPLORE COMPATIBLE TOOL HOLDERS →Metric (ISO) vs. Inch (ANSI) Comparison
| Dimension | ISO: GPMT11T308 | ANSI: GPMT 3(2.5)2 |
|---|---|---|
| Inscribed Circle (IC) | 9.525 mm | 3/8" |
| Thickness (S) | 3.97 mm | 5/32" |
| Corner Radius (RE) | 0.8 mm | 1/32" |
Need Help With Mitsubishi Inserts?
Looking for a Mitsubishi equivalent, alternative grade, or sample catalog? Our CNC specialists have helped 50+ manufacturers in aerospace, automotive, and medical machining source the right tooling at 30–50% lower cost than OEM prices.
This Mitsubishi insert is in stock. 24-hour quote response. ISO 9001 certified. Ships from Hangzhou in 3–7 days.
Technical FAQ & Buying Guide
When choosing CNC cutting tools, check the full model code, dimensions, grade and selected variant before ordering. Do not rely on the product image alone.
For carbide inserts, tool holders, drills and end mills, compare the mounting dimensions, connection type and manufacturer's specifications with your holder or machine. If you are unsure, share your existing part number and machining application with us before ordering.
Check the product listing for the selling unit, pack quantity and included components. If it is unclear whether the price is per piece or per pack, or whether a tool body and inserts are sold separately, contact us before purchasing.
Select cutting speed, feed rate and depth of cut using the relevant manufacturer's recommendations for your tool model, workpiece material, machine conditions and coolant method. The same settings are not suitable for every product or application.
Our automatic quantity discount is 6% off for 2–9 items and 12% off for 10 or more items, based on the total product quantity in the cart. Other offers may not combine with this discount; check the applicable offer conditions.
According to our shipping policy, orders are typically processed and shipped within 1–3 business days after confirmation. Delivery generally takes 5–20 business days, depending on your destination and shipping method. Customs clearance or unforeseen delays may affect delivery times. A tracking number is sent by email after shipment.