Mitsubishi SCMT120408-MM VP15TF Carbide Insert | Genuine MMC
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SCMT120408-MM VP15TF
Mitsubishi Materials | Medium-Duty Miracle Grade Specialist
The Mitsubishi SCMT120408-MM VP15TF is a highly versatile indexable turning insert designed for medium-duty machining. Featuring the industry-leading VP15TF Miracle Grade PVD coating, this insert provides an exceptional balance between wear resistance and fracture toughness. The MM chipbreaker is specifically optimized for moderate depths of cut, ensuring stable chip control during stainless steel turning and alloy steel machining on CNC lathes.
Packaging: Box of 10 Inserts
ISO Designation Decoded
Square 90°
7° Relief
M-Class Tol.
Countersink
12.7mm Size
4.76mm Thick
0.8mm Radius
Medium-Cut
Technical Specifications
| Feature | Metric Designation | Inch (ANSI) Designation |
|---|---|---|
| Model Name | SCMT120408-MM | SCMT 432 MM |
| Inscribed Circle ($IC$) | 12.7 mm | 1/2" |
| Thickness ($S$) | 4.76 mm | 3/16" |
| Nose Radius ($R_e$) | 0.8 mm | 1/32" |
VP15TF Miracle Grade
The VP15TF grade is a proprietary PVD coated carbide developed for multi-purpose machining. It utilizes a high-adhesion Miracle coating that prevents built-up edge (BUE) and plastic deformation. This makes it the premier choice for precision machining in gummy materials like 300-series stainless steel and heat-resistant superalloys.
MM Chipbreaker Logic
The MM Chipbreaker (Medium-Cut) is designed with a balanced rake angle to provide edge strength for rougher surfaces while remaining sharp enough for surface finish requirements. It excels at breaking chips in the "medium" range of feed and depth, preventing chip entanglement during high-speed turning.
Recommended Cutting Parameters
General Application for Steel & Stainless (VP15TF)
| Material Group | Cutting Speed ($v_c$) | Feed Rate ($f$) | Depth of Cut ($a_p$) |
|---|---|---|---|
| Stainless Steel (SUS304) | 100 - 180 m/min | 0.12 - 0.35 mm/rev | 1.0 - 3.5 mm |
| Carbon/Alloy Steel | 140 - 260 m/min | 0.15 - 0.40 mm/rev | 1.0 - 4.5 mm |
COMPATIBLE TOOL HOLDERS
The SCMT1204 series is designed for Mitsubishi SSDCN or SSBCR/L external turning holders and heavy boring bars.
View 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.