Mitsubishi JOMT080320ZZSR-JM VP30RT Milling Insert | MMC Japan
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JOMT080320ZZSR-JM VP30RT
Mitsubishi Materials | AJX08 Series Extreme Toughness Milling
The Mitsubishi JOMT080320ZZSR-JM VP30RT is the industry-standard high-feed milling insert for the most demanding machining conditions. Engineered for the AJX08 cutter series, this insert features the ultra-tough VP30RT Miracle PVD coating. It is specifically designed to handle interrupted cuts, rough surface skins, and unstable setups where other grades might chip. The JM (General Machining) chipbreaker balances a sharp cutting action with a reinforced edge for maximum reliability.
Technical Specifications
| ISO Designation (Metric) | JOMT080320ZZSR-JM |
|---|---|
| ANSI Designation (Inch) | JOMT 2.5(3)6-JM |
| Insert Size | 08 (AJX08 Series) |
| Corner Radius (RE) | 2.0 mm (.0787") |
| Grade / Coating | VP30RT (Miracle PVD on Tough Carbide) |
VP30RT Toughness Grade
The VP30RT grade utilizes a specialized high-toughness carbide substrate. The Miracle PVD coating provides excellent thermal stability. This grade is the first choice for heavy-duty roughing and milling through scale, as it resists the micro-chipping caused by thermal shock and heavy mechanical loads.
JM Chipbreaker Edge
The JM geometry is optimized for high feed metal removal. It is designed to reduce the "notching" effect at the depth-of-cut line. By thinning the chip across a wider edge, the JM breaker ensures that even in interrupted cutting steel, the tool maintains a constant, efficient cut without excessive vibration.
Recommended Cutting Parameters
| Workpiece Material | Cutting Speed ($v_c$) | Feed Per Tooth ($f_z$) |
|---|---|---|
| Alloy Steel / Tool Steel | 100 - 180 m/min | 0.6 - 1.4 mm/t |
| Stainless Steel (304/316) | 80 - 150 m/min | 0.5 - 1.0 mm/t |
AJX08 CUTTER COMPATIBILITY
Engineered specifically for AJX 08 Type face mills, end mills, and modular heads.
View Compatible Tool HoldersDimensions: Metric vs. Inch
| Parameter | Metric (ISO) | Inch (ANSI Equivalent) |
|---|---|---|
| Insert Length | 8.0 mm | 5/16" |
| Thickness | 3.4 mm | .134" |
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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.