Mitsubishi VNMG160408-MS US735 Carbide Insert | VNMG 332
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Mitsubishi VNMG160408-MS US735
Tough CVD Grade for Stable & Interrupted Stainless Steel Machining
The Mitsubishi VNMG160408-MS US735 is a high-toughness 35° rhombic negative-type carbide turning insert. Engineered specifically for the challenges of stainless steel turning, the US735 grade paired with the MS chipbreaker is Mitsubishi’s premier solution for difficult-to-machine alloys. This VNMG 332-MS ANSI equivalent provides exceptional resistance to thermal cracking and adhesive wear, making it a reliable CNC lathe tool for both continuous and interrupted cuts.
Technical Nomenclature Breakdown
Understanding the precision behind the VNMG160408-MS identification code:
| Code | Detailed Specification |
|---|---|
| V | Shape: 35° Rhombic (Diamond) |
| N | Clearance Angle: 0° (Negative) |
| M | Tolerance Class: Medium Precision |
| G | Feature: Double-Sided with Hole |
| 16 | Size: ~16mm Cutting Edge Length |
| 04 | Thickness: 4.76mm |
| 08 | Nose Radius: 0.8mm (Medium Roughing/Cutting) |
| MS | Chipbreaker: Medium-Finishing for Stainless Steel |
Global Interchangeability: ISO vs ANSI
This precision turning tool follows international ISO and ANSI sizing:
- ISO (Metric): VNMG160408-MS
- ANSI (Imperial): VNMG 332-MS
Advanced Grade & Geometry
US735 Grade (CVD Coating): This grade is Mitsubishi’s specialized CVD coated carbide for heavy-duty stainless steel turning. It features a high-toughness substrate that resists thermal shock, preventing the "cracking" often seen in wet, interrupted stainless cutting.
MS Chipbreaker: The MS geometry is designed for medium-finishing. It features a sharp cutting edge that minimizes work hardening on the workpiece surface, providing excellent chip control and a high surface finish on austenitic stainless steels (304, 316).
Recommended Cutting Parameters
| Workpiece Material | Cutting Speed (Vc) | Feed Rate (f) | Depth of Cut (ap) |
|---|---|---|---|
| Stainless Steel (Austenitic) | 70 - 150 m/min | 0.15 - 0.40 mm/rev | 1.0 - 4.0 mm |
| Heat Resistant Alloys | 30 - 60 m/min | 0.15 - 0.30 mm/rev | 1.0 - 3.0 mm |
Tool Holder Pairing
Ensure maximum stability by pairing this VNMG 332 insert with our premium holders.
Shop Compatible DVJNR/L Tool HoldersPro-Tip: Grade Selection Advice
US735 is the industry "problem solver" for interrupted cuts in stainless steel. For stable, high-speed turning of stainless steel where heat is the only factor, consider VP15TF (PVD) for a sharper edge. If you are machining carbon steel, switching to UE6110 or MC6025 will offer higher wear resistance at increased RPMs.
Need Help With Mitsubishi Inserts?
Looking for a Mitsubishi equivalent, alternative grade, or sample catalog? Our CNC specialists have helped 50+ manufacturers in aerospace, automotive, and medical machining source the right tooling at 30–50% lower cost than OEM prices.
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.