Precision Steel Finishing Specialist | 0.2mm Corner Radius | Made in Japan
Product Overview
The Mitsubishi WNMG080402-FP MC6025 is a high-precision double-sided 80° trigon negative insert, specifically engineered for fine finishing of Steel (P-class). Featuring a sharp 0.2mm corner radius and the high-performance MC6025 CVD coating, this insert excels in applications requiring tight tolerances and mirror-like surface finishes. The FP chipbreaker is the industry standard for light depths of cut, ensuring stable chip control even in high-speed CNC machining environments. Ideal for carbon steel, alloy steel, and mild steel components.
ISO Designation Identification
W Trigon 80°
N Negative 0°
M Tolerance
G Hole/Chip
08 IC 12.7mm
04 Thick 4.76mm
02 Rad 0.2mm
FP Finishing
Technical Specifications: Metric vs. Imperial
Technical Feature
Metric (ISO)
Imperial (ANSI)
Model Number
WNMG 080402-FP
WNMG 430.5-FP
Inscribed Circle (IC)
12.7 mm
0.500 inch
Corner Radius
0.2 mm
0.008 inch
Advanced Grade: MC6025 (The Steel Professional)
The MC6025 grade is Mitsubishi's premier CVD solution for Steel turning. Engineered for a perfect balance between wear resistance and toughness, it utilizes a specialized coating layer that resists plastic deformation and crater wear. This ensures high-speed efficiency and reliable tool life even when machining alloy steels under variable cutting conditions.
FP Finishing Chipbreaker
The FP chipbreaker is a dedicated geometry for light finishing. It features a sharp rake angle and a narrow chip pocket, designed to break chips effectively at low feed rates and shallow depths. In CNC lathe operations, this prevents "bird-nesting" of long chips, protecting the workpiece surface from scratches and ensuring high precision machining results.
⭐⭐⭐⭐⭐ "Perfect for tight tolerances" - Mark S., USA "I used these for some aerospace steel parts that required a very specific finish. The 0.2mm radius is incredibly sharp and accurate."
⭐⭐⭐⭐⭐ "Mirror Surface" - François B., France "Excellent for final passes. No more vibration issues, and the chip breaking on mild steel is the best I've seen in years."
⭐⭐⭐⭐ "Great Stability" - Kenji T., Japan "Consistent quality from Mitsubishi. We run these on our CNC automation line for small steel pins, and the wear is very predictable."
⭐⭐⭐⭐⭐ "Economic 6 Edges" - Liam O., UK "A finishing insert with 6 edges! Huge savings compared to standard diamond inserts. The FP breaker works exactly as advertised."
⭐⭐⭐⭐⭐ "Authentic Product" - Ivan R., Russia "Genuine Mitsubishi inserts. Performance is top-tier. Shipping was fast and the packaging was original."
Technical Q&A
Q: Can I use this for Stainless Steel?
A: While it can cut stainless, it is optimized for Steel (P-Class). For high-volume stainless finishing, MC7025 is a more durable choice.
Q: What is the benefit of the 0.2mm radius?
A: It allows for incredibly fine finishing and minimizes cutting pressure, which is perfect for thin-walled parts or finishing small details.
Q: Why choose WNMG over CNMG?
A: WNMG offers 6 usable cutting edges instead of 4, making it far more cost-effective for your machine shop production.
Expert Machining Tip: MC6025 vs. MC6015
Use MC6025 for versatile, stable finishing on most steels. If you are doing High-Speed Finishing on hard carbon steels only, MC6015 offers slightly higher wear resistance.
Mitsubishi WNMG080402-FP MC6025 Finishing Carbide Inserts for Steel (10pcs)
$92.26
Need Help With BEYOND Inserts?
Looking for a BEYOND 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.
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.
Choosing a selection results in a full page refresh.
