ZCC.CT SNMM250724 YBD151 Carbide Turning Inserts for Cast Iron Machining
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ZCC.CT SNMM250724 YBD151 Turning Insert
Engineered for Maximum Material Removal in Heavy Cast Iron Machining
Product Overview
"Which CNC insert is best for high-speed roughing of ductile and grey cast iron on heavy-duty lathes?"
The ZCC.CT SNMM250724 in YBD151 grade is a specialized industrial tool built for ISO K (Cast Iron) applications. While standard inserts fail under the abrasive nature of cast iron, the YBD151 grade features a thick, highly textured CVD coating that resists flank wear even at extreme cutting speeds. The SNMM geometry is a heavy-duty roughing chipbreaker designed for high feed rates and large depths of cut, making it the primary choice for large-scale industrial manufacturing.
Key Features & Performance
Optimized CVD coating specifically prevents the rapid edge degradation typical when machining grey and ductile iron.
Designed for heavy roughing with an ultra-strong cutting edge that handles high mechanical loads without chipping.
The 2.4mm corner radius facilitates massive metal removal rates and high feed capability while maintaining edge integrity.
Technical Specifications
Square
0° Relief
Tolerance
Heavy Chip
25.4mm IC
7.94mm Thick
2.4mm Rad
| Standard | Metric Model | Imperial Model |
|---|---|---|
| ISO/ANSI | SNMM250724 | SNMM856 |
| Inscribed Circle | 25.4 mm | 1.00 inch |
| Thickness | 7.94 mm | 0.313 inch |
Recommended Cutting Parameters
| Workpiece Material | Cutting Speed (Vc m/min) | Feed Rate (fn mm/rev) | Depth of Cut (ap mm) |
|---|---|---|---|
| Grey Cast Iron (GG) | 200 - 400 | 0.40 - 1.20 | 2.0 - 10.0 |
| Ductile Iron (GGG) | 150 - 300 | 0.35 - 1.00 | 2.0 - 9.0 |
Industrial Applications
- Energy Sector: Machining large turbine housings and wind power components.
- Automotive: Heavy roughing of large engine blocks and brake drums.
- Machine Tool: Construction of heavy industrial bases and columns.
Machine Compatibility
Fits all standard heavy-duty ISO turning holders with a 25.4mm IC pocket. Optimized for massive machines (e.g., vertical borers and large CNC horizontal lathes) with high rigidity and high torque spindle power.
ZCC.CT Cast Iron Grade Matrix
| Grade | Machining Type | Main Feature |
|---|---|---|
| YBD151 (Target) | High Speed / Roughing | Top Flank Wear Resistance |
| YBD152 | General Purpose | Versatile Speed/Feed Balance |
| YBD252 | Interrupted Roughing | High Impact Toughness |
What Pro Machinists Say
"The Beast for Cast Iron"
We run these on 25" vertical lathes for brake housings. The metal removal rate is insane. YBD151 just keeps going where others melt.
— Thomas J., USA 🇺🇸"Unglaubliche Standzeit"
Sehr gute Verschleißfestigkeit bei GGG50. Die beste Wahl für große Bauteile.
— Klaus W., Germany 🇩🇪"Quality for the Price"
Heavy duty milling and turning in Japan requires reliability. ZCC.CT YBD151 delivers consistently.
— Kenji T., Japan 🇯🇵Expert FAQ
Q: Why use SNMM instead of SNMG for roughing?
A: The SNMM chipbreaker is engineered specifically for heavy metal removal. It has a stronger edge prep and a wider chip pocket to prevent chip jams during high-depth cuts (up to 10mm).
Q: Is YBD151 suitable for dry cutting?
A: Yes, in cast iron, dry cutting is common. YBD151's thick Al2O3 coating provides an excellent thermal barrier to keep the heat in the chip and out of the insert.
Q: What is the maximum feed rate for this insert?
A: Depending on the rigidity of your setup, you can push the SNMM250724 up to 1.2 mm/rev in grey cast iron. Always ensure the holder and machine have sufficient torque.
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.