ZCC.CT TCMT110204-52 YBC251 Carbide Turning Inserts for Steel Finishing
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ZCC.CT TCMT110204-52 YBC251 Turning Insert
Industrial-Grade CVD Coated Carbide for Precision Steel Machining
Product Overview
"Which carbide insert grade is best for finishing steel with high wear resistance and excellent surface quality?"
The ZCC.CT TCMT110204-52 YBC251 is a high-performance triangular turning insert engineered for ISO P (Steel) applications. Combining a thick Al2O3 CVD coating with a high-strength substrate, the YBC251 grade offers an optimal balance of toughness and wear resistance. The -52 chipbreaker is specifically designed for finishing, featuring a sharp cutting edge and specialized geometry to ensure smooth chip evacuation and a mirror-like finish on carbon and alloy steels.
Key Technical Advantages
Technical Specifications
ISO Model Decoding
Triangular
7° Relief
Tolerance
Hole/Slot
11mm Edge
2.38mm Thk
0.4mm Rad
| Feature | Metric (ISO) | Imperial (ANSI) |
|---|---|---|
| Model Number | TCMT110204 | TCMT21.51 |
| Inscribed Circle | 6.35 mm | 0.250 inch |
Cutting Parameters Recommendations
| Steel Grade | Speed (Vc m/min) | Feed (f mm/rev) |
|---|---|---|
| Low Carbon Steel | 220 - 380 | 0.05 - 0.20 |
| Alloy Steel | 150 - 300 | 0.08 - 0.15 |
Compatible Tool Holders (Boring Bars):
Applications
- Internal Boring: Ideal for precision boring in steel parts.
- External Turning: High-efficiency finishing for shafts and valves.
- Finishing Stage: Best for depth of cuts between 0.2mm to 1.5mm.
Equipment Compatibility
Optimized for CNC lathes and high-stability boring operations. Fits all standard ISO STGCR/L tool holders with 1102 (21.5) pocket dimensions.
ZCC.CT Steel Grade Comparison
| Grade | Coating | Application |
|---|---|---|
| YBC251 (Current) | CVD | Versatile / Finishing |
| YBC151 | CVD | High-Speed Finishing |
| YBC351 | CVD | Roughing / Interruption |
Global Machinist Reviews
"Excellent Surface Finish"
Using YBC251 on 4140 steel. The -52 chipbreaker really handles stringy chips well. Surface is mirror-like.
— Mark R., USA 🇺🇸"Top-Qualität"
Sehr gute Standzeit bei der Bearbeitung von Baustahl. ZCC.CT ist immer zuverlässig.
— Hans W., Germany 🇩🇪"Ottimo Prezzo"
Rapporto qualità-prezzo imbattibile. Spedizione veloce.
— Luca M., Italy 🇮🇹Product FAQ
Q: Is YBC251 suitable for stainless steel?
A: While it can handle some ferritic stainless, we recommend the YBM series for austenitic stainless (304/316) for optimal tool life.
Q: What is the benefit of the -52 chipbreaker?
A: It is designed with a sharp edge and a wide chip pocket, making it ideal for low-feed finishing where chip control is usually difficult.
Need Help With ZCC·CT Inserts?
Looking for a ZCC·CT 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 ZCC·CT 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.