Mitsubishi SNMG120408-MS VP15TF Turning Insert | Stainless Steel Finishing
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SNMG120408-MS VP15TF
Mitsubishi Materials | The Stainless Steel Finishing Specialist
The Mitsubishi SNMG120408-MS VP15TF is a high-precision indexable carbide insert engineered for stainless steel turning. This model features the specialized MS chipbreaker, specifically designed to combat work hardening and provide excellent chip control during finishing and medium cutting. Powered by the VP15TF Miracle PVD coating, it delivers high adhesion resistance and long tool life in difficult-to-cut materials.
Condition: 100% Genuine Mitsubishi | Box of 10 Inserts
ISO Designation Decoded
Square 90°
0° Relief
M-Class Tol.
Double Sided
12.7mm Size
4.76mm Thick
0.8mm Radius
Stainless Finish
Technical Specifications
| Dimension | Metric (ISO) | Inch (ANSI) Equivalent |
|---|---|---|
| Model Name | SNMG120408-MS | SNMG 432-MS |
| 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 PVD Grade
The VP15TF grade is Mitsubishi’s proprietary Miracle PVD coating. It features a nano-layered structure that offers extreme heat resistance and lubricity. This is critical for CNC turning stainless steel, as it prevents built-up edge (BUE) and maintains edge sharpness, allowing for superior surface finish and dimensional accuracy.
MS "Low Resistance" Chipbreaker
The MS chipbreaker is specifically designed for medium-to-finishing of stainless steel and heat-resistant alloys. It features a sharp cutting edge that minimizes cutting resistance, effectively reducing vibration (chatter) in long workpieces or low-rigidity setups. It excels in breaking "stringy" stainless chips.
Recommended Cutting Parameters
Starting Data for Stainless Steel (VP15TF)
| Material Group | Cutting Speed ($v_c$) | Feed Rate ($f$) | Depth of Cut ($a_p$) |
|---|---|---|---|
| Austenitic Stainless (304/316) | 80 - 180 m/min | 0.10 - 0.30 mm/rev | 0.5 - 2.5 mm |
| Heat Resistant Alloys | 30 - 80 m/min | 0.10 - 0.25 mm/rev | 0.5 - 2.0 mm |
COMPATIBLE TOOLING
Pairs with high-rigidity PSSNR/L, DSBNR/L, or MSKNR/L 90° turning tool holders.
Browse Matching 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.