Mitsubishi TCMT16T304 UC5115 | CVD Carbide Insert for Cast Iron
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💰 Bulk savings 2-9 pcs · 6% OFF | 10+ pcs · 12% OFF
TCMT16T304 UC5115
Mitsubishi Materials | The Specialist for Cast Iron Turning (ISO K)
The Mitsubishi TCMT16T304 UC5115 is a high-performance CVD coated carbide insert designed for high-speed machining of gray and ductile cast iron. Utilizing the advanced UC5115 grade, this insert provides extreme hardness and thermal stability. As a critical long-tail precision tool, it is the industry benchmark for reducing flank wear in abrasive cast iron turning applications.
CVD Multi-Layer Coating | High-Speed Performance | ISO K category
Code Identification Breakdown
Triangular Shape
7° Relief Angle
M-Class Precision
Countersink Hole
16.5mm Edge
3.97mm Thick
0.4mm Radius
Dimensional Comparison Table
| Attribute | ISO (Metric) Model | ANSI (Inch) Model |
|---|---|---|
| Model Reference | TCMT16T304 | TCMT 32.51 |
| Inscribed Circle (IC) | 9.525 mm | 0.375" |
| Thickness (S) | 3.97 mm | 0.156" |
| Nose Radius (RE) | 0.4 mm | 0.016" |
UC5115 CVD Grade Technology
The UC5115 grade features a specialized thick CVD coating designed for the high-temperature environment of cast iron machining. It offers exceptional resistance to abrasive flank wear and plastic deformation. This makes it the premier choice for gray cast iron and high-tensile ductile iron turning.
Positive Chipbreaker Geometry
Designed with a positive 7° relief angle, this indexable turning insert reduces cutting forces significantly. The chipbreaker is optimized for stable iron turning, ensuring consistent chip evacuation even during high-velocity finishing and semi-finishing passes.
Technical Cutting Data
| Material Group | Cutting Speed ($v_c$) | Feed per Rev ($f$) | DOC ($a_p$) |
|---|---|---|---|
| Gray Cast Iron (Class 30/35) | 180 - 450 m/min | 0.10 - 0.30 mm/rev | 0.5 - 3.0 mm |
| Ductile Iron (60-40-18) | 150 - 300 m/min | 0.10 - 0.25 mm/rev | 0.5 - 2.5 mm |
HOLDER COMPATIBILITY
Compatible with all standard STFCR/L boring bars and STGCR/L external tool holders (Size 16).
Shop Compatible 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.