Mitsubishi VBMT160408-MV US735 | Tough Stainless Steel Insert
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VBMT160408-MV US735
Mitsubishi Materials | Extreme Toughness for Stainless & Super Alloys
Built for the Toughest Cutting Conditions
The Mitsubishi VBMT160408-MV US735 is a 35° diamond PVD coated carbide insert engineered specifically for the challenges of Stainless Steel (M-group) turning. The US735 grade is celebrated for its extreme fracture toughness, making it the industry benchmark for interrupted cuts and gummy materials. Featuring the MV (Medium-V) chipbreaker and a reinforced 0.8mm corner radius, this long-tail stainless turning insert provides superior edge strength and thermal shock resistance.
US735 PVD Grade | MV Versatile Breaker | 0.8mm Radius for Stability
Technical Code Identification
35° Diamond
5° Relief Angle
M-Class Tolerance
Hole with 60° Countersink
16mm Edge
4.76mm Thick
0.8mm Radius
Medium Breaker
ISO (Metric) vs ANSI (Inch) Comparison
| Feature Spec | ISO (Metric) | ANSI (Inch Equivalent) |
|---|---|---|
| Model Number | VBMT160408-MV | VBMT 332-MV |
| Inscribed Circle (IC) | 9.525 mm | 0.375" (3/8") |
| Corner Radius | 0.8 mm | 0.0315" (1/32") |
US735 Grade: Chipping Resistance
The US735 grade is a specialized PVD-coated carbide tailored for "gummy" materials. Its high-adhesion coating resists Built-Up Edge (BUE) and peeling, which are common killers in Stainless Steel turning. It maintains a sharp cutting edge while the specialized substrate prevents fracture, making it the best choice for interrupted cuts in large CNC machining projects.
MV Chipbreaker: Medium Control
The MV (Medium-V) chipbreaker is designed to handle a wide range of depths of cut and feed rates. In profiling, where the engagement angle changes constantly, the MV geometry ensures that chips break consistently, preventing damage to the workpiece surface finish and reducing the risk of "bird-nesting" around the tool holder.
Recommended Cutting Parameters
| Material Group | Speed ($v_c$) | Feed ($f$) | DOC ($a_p$) |
|---|---|---|---|
| Austenitic Stainless (304/316) | 60 - 140 m/min | 0.12 - 0.35 mm/rev | 0.8 - 4.0 mm |
| Heat Resistant Alloys | 35 - 80 m/min | 0.10 - 0.25 mm/rev | 0.8 - 3.0 mm |
COMPATIBLE HOLDERS
Designed for SVJBR/L 16 or SVVBN 16 external holders and large 32mm+ Boring Bars.
Shop 16mm Profiling Tooling →
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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.