ZCC.CT APKT11T304-PM YBC301 Carbide Insert – 11mm Finish Milling R0.4 Steel
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APKT11T304-PM YBC301 Milling Insert
High-Stability CVD Grade for Versatile Steel Machining
Product Overview
"Which milling insert is the best all-rounder for carbon steel and alloy steel when I need high speed without sacrificing tool life?"
The APKT11T304-PM YBC301 is a premier choice for ISO P (Steel) milling. Featuring ZCC.CT’s advanced CVD Thick-Al2O3 coating, the YBC301 grade provides an exceptional thermal barrier, allowing for aggressive cutting speeds in semi-finishing to medium roughing applications. The -PM chipbreaker features a balanced edge strength and rake angle, specifically designed to control chips efficiently in various steel grades while maintaining lower cutting forces.
Key Features
- ✔ CVD Multi-Layer Coating: Excellent resistance to crater wear and plastic deformation during high-temp operations.
- ✔ PM Geometry: Reinforced cutting edge optimized for medium feed rates and chip evacuation stability.
- ✔ Enhanced Impact Toughness: Specialized carbide substrate minimizes edge chipping during interrupted cuts.
Technical Specifications
| Parameter | Metric (ISO) | Imperial (ANSI) |
|---|---|---|
| Standard Designation | APKT11T304-PM | APKT 040304-PM |
| Cutting Speed (Vc) | 180 - 350 m/min | 590 - 1148 SFM |
| Feed per Tooth (fz) | 0.10 - 0.25 mm/z | 0.004 - 0.010 IPT |
Model Code Breakdown
Parall. 85°
11° Relief
Tolerance
Hole Type
11mm Edge
3.97mm Thk
0.4mm Rad
Medium
Applications & Compatibility
Workpiece Focus: Optimized for Carbon Steel (P-Class) and Alloy Steel. Highly effective for mold base plates and high-tensile structural steels.
CNC Compatibility: Fully compatible with ISO-standard 90-degree shoulder milling cutters and end mills that support the APKT 11T3 size.
ZCC.CT Steel Grade Comparison
YBC301 (Current Grade): CVD coating. Excellent thermal stability for high-speed steel milling.
YBC302: General-purpose CVD grade with balanced toughness for universal steel milling.
YBM251: Specialized PVD grade for stainless steel (M-Class), also used for some high-alloy steels.
Why Trust Our CNC Expertise?
Led by a CNC Technical Director, we provide precision-tested tooling solutions directly from the source. We guarantee 100% genuine ZCC.CT products and provide data-backed parameters to help you reduce your cost per part.
"Running these at 1000 SFM in 4140 pre-hardened steel. The tool life is incredible for the price."
— Dave L., United States
"Ottimo inserto per acciaio. Velocità di taglio molto elevata e finitura superficiale eccellente."
— Gianni B., Italy
"炭素鋼の加工に最適です。コストパフォーマンスが非常に高く助かっています。"
— Takumi Y., Japan
FAQ - Technical Support
A: YBC301 is primarily for steel (ISO P). For stainless steel (ISO M), we recommend PVD grades like YBM251 or YBG302 for better chip control and chemical stability.
A: Yes, the PM geometry and tough CVD coating handle medium interruptions well, though avoid extreme shocks without reducing feed rates.
A: Yes, CVD coatings are very stable with coolant, though air-blast is often preferred for high-speed dry milling of steel to prevent thermal cracking.
💡 Pro Tip: When using the YBC301 grade, ensure your CNC machine has the rigidity to support high cutting speeds. If vibration occurs, reduce the cutting speed (Vc) by 15% but keep the feed per tooth (fz) consistent to ensure proper chip formation.
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.