Mitsubishi JDMT140520ZDSR-JM VP30RT Milling Insert | MMC Japan
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JDMT140520ZDSR-JM VP30RT
Mitsubishi Materials | AJX Series Toughened Heavy-Duty Milling
The Mitsubishi JDMT140520ZDSR-JM VP30RT is a robust high-feed milling insert specifically designed for the AJX14 series cutters. When your machining environment involves heavy interrupted cuts, scale, or unstable workholding, the VP30RT tough grade is the professional choice. It offers superior fracture resistance compared to standard grades, making it ideal for the roughing of Stainless Steel, Carbon Steel, and Heat-Resistant Alloys under the most challenging CNC milling conditions.
Technical Specifications
| ISO Designation (Metric) | JDMT140520ZDSR-JM |
|---|---|
| ANSI Designation (Inch) | JDMT 544ZDSR-JM |
| Insert Size | 14 (For AJX 14 Type Cutters) |
| Corner Radius (RE) | 2.0 mm (.0787") |
| Grade / Coating | VP30RT (Miracle PVD Toughness Optimized) |
VP30RT "Tough" Coating
The VP30RT grade is engineered with a high-toughness substrate and specialized PVD coating. This combination is designed to absorb mechanical shock, making it far more resistant to chipping and fracture during interrupted milling of stainless steels or when encountering raw casting skins.
JM Chipbreaker Strategy
The JM (General Machining) chipbreaker on this JDMT14 series insert provides a strengthened cutting edge. It is optimized for high-feed metal removal, effectively managing chip thinning and reducing the load on the machine spindle during high-velocity table feeds.
Recommended Cutting Parameters
| Workpiece Material | Cutting Speed ($v_c$) | Feed Per Tooth ($f_z$) |
|---|---|---|
| Carbon Steel / Alloy Steel | 110 - 190 m/min | 1.2 - 2.8 mm/t |
| Stainless Steel (304/316) | 70 - 140 m/min | 1.0 - 2.2 mm/t |
AJX14 MILLING SYSTEM
Requires AJX 14 Type high-feed cutters (Face Mills or Shank Mills).
Shop AJX 14 Tool Holders →Metric vs. Inch Cross-Reference
| Feature | ISO: JDMT140520 | ANSI: JDMT 544 |
|---|---|---|
| Insert Length | 14.5 mm | .571" |
| Thickness | 5.56 mm | 7/32" |
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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.