ZCC.CT CPGT050204 YBD151 Carbide Turning Inserts for Cast Iron
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CPGT050204 YBD151 ZCC.CT Precision Turning Inserts
Product Overview
"Which carbide insert is best for high-precision finishing and small-diameter boring of Grey and Ductile Cast Iron?"
The CPGT050204 YBD151 is a high-performance 80° rhombic positive insert designed for the precision machining of Cast Iron (K-Class). Featuring the YBD151 grade—a medium-fine grained carbide substrate combined with a thick Al₂O₃ CVD coating—this insert provides exceptional thermal stability and edge retention. Its high-precision "G" tolerance class and sharp cutting geometry make it the industrial choice for finishing operations where dimensional accuracy is critical.
Core Technical Advantages
- ✔ YBD151 Specialized Grade: Engineered for ISO K10–K25 materials with superior wear resistance.
- ✔ Advanced CVD Coating: Smooth surface treatment reduces cutting friction and prevents built-up edge.
- ✔ Positive Rake Design: Low cutting forces ideal for light-duty finishing and internal boring.
- ✔ Precision Class G: Higher repeatability and mounting accuracy compared to standard molded inserts.
ISO Nomenclature Guide
80° Rhombic
11° Relief
Precision
Feature
5.5mm IC
2.38mm Thick
0.4mm Radius
Technical Specifications
| Dimension | Metric (ISO) | Inch (ANSI) |
|---|---|---|
| Model Number | CPGT050204 | CPGT 1.51.51 |
| Inscribed Circle | 5.50 mm | 0.216" |
| Thickness | 2.38 mm | 0.093" |
| Nose Radius | 0.4 mm | 0.016" |
Recommended Cutting Parameters
| Cutting Speed (Vc) | 200 - 450 m/min |
| Feed Rate (f) | 0.05 - 0.25 mm/rev |
| Depth of Cut (ap) | 0.1 - 1.2 mm |
Compatible Tool Holders
Matches standard SCLCR/L Boring Bars and Holders:
S08K-SCLCR05 | S10K-SCLCR05 | SCACR/L 1212H05
Browse Matching Holders →Primary Applications
Material Suitability
- Grey Cast Iron (GG)
- Ductile/Nodular Iron (GGG)
- Malleable Cast Iron
Machining Operations
- Fine to Semi-finishing
- Small internal boring
- Continuous high-speed cutting
ZCC.CT Cast Iron Grade Matrix
| Grade | Application | Performance |
|---|---|---|
| YBD151 | Finishing | High Speed / High Precision |
| YBD152 | Semi-Roughing | Better Impact Resistance |
Why Choose ZCC.CT Tools?
ZCC.CT is a premier global manufacturer of advanced carbide solutions. With state-of-the-art coating technology and integrated production lines, ZCC.CT provides "Industrial Grade" performance that rivals European and American brands at significant cost-to-performance advantages.
Verified Global Customer Feedback
⭐⭐⭐⭐⭐
"Outstanding for GGG50"
In our US job shop, we switched to YBD151 for small nodular iron boring. Tool life increased by 40% over our previous premium brand.
— Robert T., USA⭐⭐⭐⭐⭐
"Top Qualität"
Great surface finish. No vibration during internal turning. Perfect precision for finishing our cast iron housings.
— Klaus M., Germany⭐⭐⭐⭐
"Ottimo prodotto"
Solid performance for automated lines. Very predictable wear, which helps with CNC programming.
— Fabrizio G., Italy⭐⭐⭐⭐⭐
"高精度で安定している"
The G-class precision is evident. Very high repeatability across different batches.
— Hiroshi Y., JapanFrequently Asked Questions
A: While possible for very light finishing, the YBC series is optimized for steel. YBD151 is specifically engineered for cast iron wear mechanisms.
A: The CVD coating in YBD151 is thicker and offers superior thermal barriers, allowing for significantly higher cutting speeds in cast iron.
A: The CPGT 050204 typically features an optimized finishing geometry. For specific chip control needs, contact us for the latest breaker design available in this grade.
Cast Iron Machining Tip: When machining Grey Cast Iron, use higher cutting speeds to take advantage of the YBD151’s thermal stability. If machining Nodular Iron with sand inclusions, consider reducing speed by 15% to maintain edge integrity.
Technical FAQ & Buying Guide
Absolutely. Our CNC carbide inserts (including CNMG, WNMG, DNMG, and APMT series) are manufactured strictly adhering to international ISO/ANSI specifications. A CNMG 120408 from OYYU BEYOND will flawlessly fit any standard turning tool holder or indexable tool from major global brands like Sandvik Coromant, Kennametal, Iscar, Walter, or SECO, providing a highly cost-effective premium alternative without sacrificing tolerance or tool life.
We offer optimized CVD and PVD multi-layer coatings for different ISO material groups:
- For Carbon/Alloy Steel (ISO P): Choose our thick multi-layer CVD coated grades (e.g., Al2O3 + TiN). They provide exceptional crater wear resistance and thermal barriers during high-speed dry or wet roughing.
- For Stainless Steel (ISO M): Choose our nano-structured PVD coated grades with sharp, positive chipbreakers (like -TM or -MA). This combination prevents work hardening and effectively controls sticky chips.
The optimal cutting parameters vary depending on the workpiece hardness and operation type:
- For General Steel Turnings: Recommended cutting speed ($V_c$) ranges from 150 to 280 m/min, with a feed rate ($f$) of 0.15 to 0.45 mm/rev.
- For Stainless Steel Finishing: Recommended cutting speed ($V_c$) is 120 to 200 m/min, with a feed rate ($f$) of 0.10 to 0.25 mm/rev.Always adjust parameters based on early wear patterns: increase $V_c$ if built-up edge occurs, or reduce $V_c$ if severe flank wear is observed.
Yes, we support machine shops, distributors, and global buyers with tiered wholesale pricing and competitive volume discounts. We also provide OEM custom manufacturing solutions for tool holders and carbide inserts based on your technical drawings. Contact our team to request a quick B2B quotation.
We provide secure worldwide express shipping (via DHL, FedEx, and UPS) with specialized, vibration-proof industrial packaging to ensure tools arrive in perfect condition. In-stock items are dispatched within 24-48 hours, while custom or bulk orders typically have a stable lead time of 15-25 days.
All our cutting tools and tool holders are manufactured strictly in accordance with ISO 9001 and international industrial standards. Every batch undergoes 100% rigorous quality control testing using high-precision optical measuring equipment to ensure reliable tool life and stable performance in continuous mass production.