Mitsubishi SNMG120408-MA VP15TF Turning Insert | Miracle PVD
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SNMG120408-MA VP15TF
Mitsubishi Materials | Miracle PVD Coating for Universal Performance
The Mitsubishi SNMG120408-MA VP15TF is a premium indexable carbide insert designed for maximum versatility across multiple materials. Powered by the VP15TF Miracle PVD coating, this insert is the industry's go-to for universal turning of steel, stainless steel, and cast iron. It is particularly effective for small-batch CNC jobs where tool changes between materials need to be minimized. The 0.8mm radius combined with the MA chipbreaker provides a perfect balance of edge strength and surface finish quality.
Condition: 100% Original Mitsubishi | Pack of 10 Inserts
ISO Designation Decoded
Square 90°
0° Relief
M-Class Tol.
Double Sided
12.7mm Size
4.76mm Thick
0.8mm Radius
Medium-Cut
Technical Specifications
| Dimension | Metric (ISO) | Inch (ANSI) Equivalent |
|---|---|---|
| Model Name | SNMG120408-MA | SNMG 432-MA |
| Inscribed Circle ($IC$) | 12.7 mm | 0.500" (1/2") |
| Thickness ($S$) | 4.76 mm | 0.187" (3/16") |
| Corner Radius ($RE$) | 0.8 mm | 0.031" (1/32") |
VP15TF Miracle Coating
The VP15TF grade is a "Miracle" PVD (Physical Vapor Deposition) coated carbide. Its nano-layered structure provides extreme hardness and excellent adhesion resistance. It is the definitive grade for suppressing built-up edge (BUE) in stainless steel turning and prevents thermal cracking in interrupted cutting across ISO P, M, and K material groups.
MA Medium-Cut Chipbreaker
The MA chipbreaker is a versatile, double-sided geometry optimized for medium-duty cutting. It features a land designed to reduce cutting forces while ensuring reliable chip control. For the CNC operator, this translates to stable chip breaking in both carbon steel and stringy stainless steel alloys, protecting the workpiece and machine spindles from vibration.
Recommended Cutting Parameters
Starting Values for Multi-Material Operations (VP15TF)
| Material Group | Cutting Speed ($v_c$) | Feed Rate ($f$) | Depth of Cut ($a_p$) |
|---|---|---|---|
| Steel (Carbon/Alloy) | 100 - 250 m/min | 0.15 - 0.45 mm/rev | 1.0 - 4.0 mm |
| Stainless Steel (304/316) | 80 - 180 m/min | 0.15 - 0.40 mm/rev | 1.0 - 3.5 mm |
| Cast Iron (Gray/Ductile) | 100 - 220 m/min | 0.15 - 0.45 mm/rev | 1.0 - 4.0 mm |
HOLDER COMPATIBILITY
Compatible with industry-standard PSSNR/L, DSBNR/L, or MSKNR/L 90° turning tool holders.
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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.