CCMT120404-53 YBC251 Carbide Turning Insert | ZCC.CT | CVD Coated | 10pcs
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ZCC.CT CCMT120404-53 YBC251: Universal Precision Turning for Steel
Product Overview
"Which insert is the most versatile choice for finishing steel across different cutting conditions while maintaining a perfect balance of toughness and wear resistance?"
The ZCC.CT CCMT120404-53 YBC251 is the ultimate "Universal" grade turning insert designed for P-group (Steel) materials. The YBC251 grade combines a thick TiCN and Al2O3 CVD coating with a balanced carbide substrate, offering high impact resistance and stable performance in both continuous and slightly interrupted cuts. The -53 chipbreaker is specialized for finishing, providing excellent chip curling and breakage even at small depths of cut, ensuring high-quality surface integrity for high-precision components.
Key Features
- Universal YBC251 CVD Grade: The industry-standard choice for versatile steel machining from P10 to P35 conditions.
- -53 Finishing Chipbreaker: Optimized for light cutting and high-precision finishing with superior chip evacuation.
- High Edge Toughness: Specialized substrate design prevents sudden edge failure during fluctuating cutting loads.
- Precision 0.4mm Radius: Minimizes vibration and radial forces, making it ideal for thin-walled shafts and precision bores.
Technical Specifications
ISO Model Breakdown (CCMT 120404-53)
80° Diamond
7° Relief
Tolerance
Hole/Chipbreak
12.9mm Edge
4.76mm Thick
0.4mm Radius
Finishing Cut
| Metric Model | ANSI/Imperial Equivalent |
|---|---|
| CCMT120404-53 | CCMT 431-53 |
Recommended Cutting Data
| Workpiece Material | Cutting Speed (Vc) | Feed rate (fn) |
|---|---|---|
| General Steel (P) | 180 - 350 m/min | 0.05 - 0.25 mm/rev |
| Alloy Steel / Die Steel | 140 - 280 m/min | 0.05 - 0.20 mm/rev |
Tool Compatibility
Optimized for External and Internal Tooling:
Perfectly matches standard S-Type screw-down tool holders.
Applications
The CCMT 120404-53 YBC251 is the preferred choice for Semi-Finishing to Finishing in:
ZCC.CT Grade Guide (Steel Machining)
| Grade | Cutting Condition | Primary Benefit |
|---|---|---|
| YBC151 | High Speed / Continuous | Maximum Wear Resistance |
| YBC251 | General Purpose / Universal | Balanced Toughness & Hardness |
Worldwide Customer Reviews
"Versatile and Reliable"
"Used YBC251 for general shop work in the USA. It handles everything from carbon steel to alloy steel without missing a beat. Great tool life."
— David S., USA
"Excellent Chip Control"
"The -53 chipbreaker is a game changer for our CNC lathes in Germany. Perfect chips even at low feed rates for finishing passes."
— Wolfgang K., Germany
"Great Performance"
"Very stable grade for our Italian facility. The predictability of wear makes it easy to schedule tool changes."
— Giuseppe L., Italy
"Mirror Surface Finish"
"We use the 0.4 radius for precision spindles in Japan. The surface finish quality is outstanding batch after batch."
— Hiroshi M., Japan
Frequently Asked Questions
Q: Can YBC251 be used for heavy interrupted cuts?
A: YBC251 has good toughness for slight interruptions. For severe interrupted cuts, YBC351 or YBC352 with higher impact resistance is recommended.
Q: What is the ideal application for the -53 chipbreaker?
A: It is ideal for finishing and semi-finishing operations where precision chip control and high surface quality are required.
Q: Is this insert compatible with boring bars?
A: Yes, as long as the boring bar is designed for CCMT 1204 inserts (like S16M-SCLCR12), it will perform excellently in internal turning.
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.