Mitsubishi TCMT090204 US735 | PVD Carbide Insert for Stainless Steel
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TCMT090204 US735
Mitsubishi Materials | Stainless Steel & Toughness Specialist
The Mitsubishi TCMT090204 US735 is a high-toughness PVD coated carbide insert specifically engineered for the challenging task of stainless steel turning. Utilizing the US735 grade, it excels in interrupted cutting and prevents the "built-up edge" (BUE) common in gummy materials. As a critical long-tail precision tool, it is the industry standard for reliable machining of 300-series stainless and heat-resistant alloys.
PVD Coated Grade | M-Class Precision | Interrupted Cut Reliability
Nomenclature Decoded
Triangular Shape
7° Relief Angle
M-Class Tolerance
C-Sink Hole
9.6mm Edge
2.38mm Thick
0.4mm Radius
Size Standard Reference
| Dimension | ISO (Metric) | ANSI (Inch) |
|---|---|---|
| Model Reference | TCMT090204 | TCMT 21.51 |
| Inscribed Circle ($IC$) | 5.56 mm | 0.218" |
| Thickness ($S$) | 2.38 mm | 0.094" |
US735 PVD Grade
The US735 grade is Mitsubishi's premier PVD solution for stainless steel. It features a specialized coating that prevents welding between the tool and the workpiece. Its high toughness makes it significantly more resistant to breakage than CVD grades when facing interrupted turning conditions.
Positive Chipbreaker
The TCMT positive geometry combined with the US735 coating provides low cutting resistance. This prevents vibration and ensures smooth chip evacuation, which is critical for maintaining surface finish and tool life in difficult-to-cut alloys.
Recommended Cutting Data
| Material Group | Speed ($v_c$) | Feed ($f$) | DOC ($a_p$) |
|---|---|---|---|
| Stainless Steel (SUS304) | 80 - 150 m/min | 0.05 - 0.20 mm/rev | 0.5 - 2.0 mm |
| Heat Resistant Alloys | 30 - 60 m/min | 0.05 - 0.15 mm/rev | 0.5 - 1.5 mm |
HOLDER COMPATIBILITY
Ideal for STFCR/L boring bars and STGCR/L external tool holders.
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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.