ZCC.CT APKT11T304-PR YBC302 Carbide Insert – 11mm Finish Milling R0.4 Steel
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APKT11T304-PR YBC302 ZCC.CT Milling Insert
High-Stability CVD Roughing Specialist for ISO P Steel Machining
Product Overview
"Seeking maximum reliability for steel roughing when facing interrupted cuts or hard surface scales?"
The APKT11T304-PR YBC302 is engineered for demanding milling environments. The PR (Reinforced) chipbreaker is designed with a stable cutting edge that excels in medium-to-heavy roughing. What defines its performance is the YBC302 Grade—a thick CVD coating combined with a high-strength substrate. This combination provides the ultimate barrier against mechanical impact and thermal cracking, making it the top choice for ISO P (Steel) and even Ductile Cast Iron.
Model Code Interpretation
90° Parallelogram
11° Clearance Angle
Hole & Chipbreaker
Size (11mm)
Thickness (3.97mm)
Radius (0.4mm)
Reinforced Roughing
Product Core Advantages
- Premium CVD YBC302 Grade: Offers exceptional toughness for heavy roughing and interrupted milling.
- PR Reinforced Edge: Minimized risk of edge chipping under high-feed conditions.
- Precision 0.4mm Radius: Ideal for 90-degree shoulder milling where clean, sharp step roots are required.
- Excellent Heat Resistance: Thick CVD layer allows for higher metal removal rates without compromising tool life.
Application Scenarios
- Roughing of carbon steel, alloy steel, and mold steel bases.
- Milling parts with rough surface scales or "crusty" finishes.
- Suitable for high-volume B2B manufacturing in the automotive and machinery sectors.
- Compatible with 11-size shoulder milling and face milling tool bodies.
Technical Specifications & Cutting Data
| Metric Model | Inch Equivalent | Cutting Speed (Vc) | Feed per Tooth (fz) |
|---|---|---|---|
| APKT11T304-PR | APKT 0.433" x 0.156" R0.016" | 150 - 280 m/min | 0.12 - 0.35 mm/z |
*Recommended for Alloy Steel (P) and Ductile Iron (K) under stable to moderately unstable conditions.
Compatibility: Matching Tool Holders
Standard APKT 11 size. Precision fit for ZCC.CT and standard indexable 90° milling cutters:
ZCC Grade Logic
- YBC301: Finishing to semi-finishing at high speeds.
- YBC302 (This Product): Universal choice for medium to rough cutting in steel.
- YBG202: PVD grade for high precision finishing and stainless steel.
Why Trust BEYOND / OYYU?
- ✅ 100% Genuine: Factory-sealed ZCC.CT products with serial numbers and QR codes.
- ✅ Technical Director Audit: Every product data sheet is reviewed for accuracy.
- ✅ Global B2B Support: Expertise in exporting to American, European, and Asian industrial markets.
Verified Customer Feedback
"YBC302 is the workhorse of our shop. We run these on all our steel roughing jobs. The PR geometry is tough as nails."
John D. - USA"Ottima resistenza all'usura su acciaio legato. Molto stabile anche con tagli interrotti."
Roberto C. - Italy"Standard ZCC quality. Reliable tool life and predictable performance in the long run."
S. Thompson - UKTechnical FAQ
PM is a universal geometry. PR is a Reinforced geometry. Choose PR specifically for Roughing or when the standard edge is chipping prematurely.
For APKT 11 size inserts, the recommended axial depth (Ap) is usually between 5-9mm. For PR roughing, staying around 6-7mm is ideal for maximum tool life.
Machining Efficiency Tip:
When roughing with YBC302, maintain a steady feed rate to utilize the CVD coating's heat resistance. If you notice severe vibrations, check the holder's runout and consider reducing the radial depth of cut (Ae) while keeping the axial depth (Ap) consistent.
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.