ZCC.CT CNMG120408-PM YBD252 Carbide Turning Inserts for Cast Iron
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ZCC.CT CNMG120408-PM YBD252: The Ultimate Choice for Cast Iron Machining
Product Overview
The ZCC.CT CNMG120408-PM YBD252 is an industrial-strength turning insert engineered for the K-group (Cast Iron). The YBD252 grade features a specialized thick CVD coating (Al2O3 + TiCN) over a highly tough substrate, specifically designed to withstand the mechanical shocks of interrupted cuts. The PM (Medium-Duty) chipbreaker is optimized for stable chip control, ensuring that even abrasive cast iron materials are processed with precision and reduced edge wear.
Key Features
- Shock-Resistant YBD252 Grade: Specifically formulated for interrupted cutting and unstable machining conditions in cast iron.
- PM Geometry: A reinforced cutting edge that balances sharpness with strength for medium turning operations.
- Advanced CVD Coating: Thick Al2O3 layer provides an excellent thermal barrier, extending tool life in high-speed applications.
- Excellent Edge Security: Optimized for gray cast iron (GG) and ductile/nodular iron (GGG).
Technical Specifications
ISO Designation Decoding
80° Rhombic
0° Relief
Tolerance
With Hole
12.9mm Edge
4.76mm Thick
0.8mm Rad
Med Chip
| Standard | Model Designation | I.C. (Size) |
|---|---|---|
| Metric (ISO) | CNMG120408-PM | 12.7 mm |
| Imperial (ANSI) | CNMG 432-PM | 1/2" |
Recommended Cutting Parameters
| Workpiece Material | Speed (Vc) m/min | Feed Rate (fn) mm/r |
|---|---|---|
| Gray Cast Iron (K1) | 200 - 400 | 0.15 - 0.50 |
| Ductile Iron (K2) | 150 - 300 | 0.15 - 0.45 |
Directly Compatible Tool Holders:
Applications & Compatibility
Engineered for high-efficiency turning in high-demand industrial sectors:
ZCC.CT Grade Comparison (Cast Iron)
| Grade | Condition | Primary Advantage |
|---|---|---|
| YBD102 | Finishing / High Speed | Extreme Wear Resistance |
| YBD152 | General Purpose | Versatility in K-Materials |
| YBD252 | Roughing / Interrupted | Maximum Impact Toughness |
Why Choose ZCC.CT Tools?
As a global leader in cemented carbide production, ZCC.CT delivers "Tier-1" performance at a significantly more competitive B2B price point. Our YBD series is used by Tier-1 automotive suppliers for its consistency and reliability.
"Reliable on GGG40"
"We used these for machining ductile iron hubs with heavy interruptions. The YBD252 grade didn't chip even once. Impressive."
— Markus T., Germany
"Great for Brake Discs"
"The PM chipbreaker handles the abrasive nature of cast iron perfectly. Tool life is on par with premium Swedish brands."
— Robert S., USA
"Cost-Efficient"
"Utilizziamo ZCC.CT da anni per la ghisa. Il rapporto qualità-prezzo è imbattibile per la produzione in serie."
— Luca M., Italy
Frequently Asked Questions
Q: Can YBD252 handle dry machining in cast iron?
A: Yes, the CVD Al2O3 coating is specifically designed for high-temperature resistance, making it suitable for both dry and wet machining of cast iron.
Q: What is the difference between CNMG120404 and CNMG120408?
A: The 08 suffix indicates a 0.8mm nose radius, which provides a stronger edge and better surface finish at higher feed rates than the 0.4mm (04) radius.
Q: Is this insert compatible with steel?
A: While it can cut steel, the YBD252 grade is optimized for cast iron. For steel, we recommend the YBC series for better results.
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.