ZCC.CT APKT11T308-PM YBM251 Carbide Insert – 11mm Universal Milling R0.8 Steel
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APKT11T308-PM YBM251 ZCC.CT Milling Insert
High-Performance CVD Solution for Stainless Steel & Alloy Steel Milling
Product Overview
"Struggling with built-up edge and rapid wear when milling 304 or 316 stainless steel?"
The APKT11T308-PM YBM251 is specifically optimized for ISO M (Stainless Steel) and ISO P (Steel) groups. The PM (General Purpose) chipbreaker offers a sharp yet stable edge that reduces cutting resistance while ensuring smooth chip evacuation. Its core strength lies in the YBM251 Grade—a specialized CVD coating with high impact toughness and thermal stability, making it ideal for medium cutting speeds where surface finish and tool life are paramount.
Model Code Interpretation
90° Parallelogram
11° Clearance Angle
Hole & Chipbreaker
Size (11mm)
Thickness (3.97mm)
Radius (0.8mm)
General Purpose
Product Core Advantages
- Specialized YBM251 Grade: Engineered for superior toughness in stainless steel, preventing edge notch wear.
- Universal PM Geometry: The perfect balance between sharpness and stability for semi-finishing and medium cutting.
- CVD Thick Coating: Provides an excellent heat barrier, allowing for stable performance in high-friction materials.
- Industry Standard 0.8mm Radius: The most popular radius for multi-functional milling applications.
Application Scenarios
- Shoulder milling and face milling of 300 and 400 series stainless steels.
- Machining of alloy steels, tool steels, and pre-hardened steels.
- B2B heavy-duty production where tool reliability and cost-per-part are key.
- Suitable for machining environments with mild to moderate interruptions.
Technical Specifications & Cutting Data
| Metric Model | Inch Equivalent | Cutting Speed (Vc) | Feed per Tooth (fz) |
|---|---|---|---|
| APKT11T308-PM | APKT 0.433" x 0.156" R0.031" | 120 - 240 m/min | 0.10 - 0.28 mm/z |
*Ideal for Stainless Steel (M) and Alloy Steel (P) under diverse machining conditions.
Compatibility: Matching Tool Holders
Standard APKT 11-size. Precision fit for ZCC.CT and all standard indexable 90° milling cutters:
ZCC Grade Selection Logic
- YBM251 (This Product): Specialist for stainless steel and tough alloy roughing/medium cuts.
- YBM351: Maximum toughness for high-interruption stainless steel machining.
- YBG202: PVD grade for precision finishing and smaller parts.
Why Trust BEYOND / OYYU?
- ✅ 100% Original: Factory-fresh ZCC.CT inserts with full security QR code tracking.
- ✅ Direct Technical Support: Vetted by technical experts for professional CNC applications.
- ✅ B2B Logistics: Reliable global export with dedicated support for high-volume orders.
Global Verified Feedback
"YBM251 is my go-to for 304 stainless. It stays sharp much longer than the previous PVD inserts I was using."
Richard M. - USA"Gute Standzeit bei Edelstahl-Fräsen. ZCC Qualität ist wirklich beeindruckend für den Preis."
Hans B. - Germany"The PM chipbreaker handles chips beautifully. No nesting and very clean surfaces on alloy steel."
D. Wilson - UKTechnical FAQ
PM is a universal geometry for Medium Cutting. While it provides a good surface finish, for mirror-like precision finishing, you might consider the EM (Extra-Precision) geometry.
CVD coatings like YBM251 are thicker and offer better thermal insulation, which is crucial for high-speed machining where heat generation is high, common in stainless steel milling.
Stainless Steel Milling Tip:
When machining stainless steel with the PM chipbreaker, ensure a consistent feed rate to stay below the work-hardened layer of the material. If vibration occurs, reducing the cutting speed slightly or increasing the feed can often stabilize the cut and improve the tool life of the YBM251 grade.
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.