Korloy WCKT030208-DA H01 Polished Aluminum Milling Insert (10pcs)
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The Original Korloy WCKT030208-DA H01 is a premium Polished Carbide Insert specifically designed for High-Speed Milling of Aluminum and Non-Ferrous Metals. Featuring the H01 Uncoated Grade, this insert offers an incredibly sharp cutting edge and a mirror-polished rake face to minimize friction. The DA Chipbreaker is engineered with a high positive rake angle and large flutes to ensure rapid chip evacuation, preventing built-up edge (BUE) even at extreme spindle speeds.
Mirror Finish Capability: The H01 grade is diamond-ground and polished to a microscopic finish. This allows for nearly frictionless cutting, resulting in "out-of-the-box" mirror finishes on aluminum parts (6061, 7075) and copper alloys.
Technical Specifications:
| ISO Designation | WCKT 030208-DA |
| Insert Shape | W-Style (Trigon) |
| Corner Radius (r) | 0.8 mm |
| Grade | H01 (Uncoated Polished Carbide) |
| Target Materials | Aluminum, Copper, Brass, Plastics (N) |
Core Performance Benefits:
- Ultra-Sharp Edge: The DA geometry provides a razor-sharp cutting action, significantly reducing cutting noise and spindle load in non-ferrous materials.
- Anti-Adhesion Polishing: The top face is highly polished to prevent aluminum chips from "welding" to the tool, a common cause of tool failure in high-speed milling.
- Micro-Grain Carbide: The H01 grade uses sub-micron carbide particles, ensuring high hardness and excellent edge retention during continuous machining.
- Versatile Application: While optimized for aluminum, it is equally effective for machining brass, bronze, and high-density plastics.
Recommended Cutting Parameters:
| Workpiece Material | Cutting Speed (Vc) | Feed per Tooth (fz) | Max Depth (ap) |
|---|---|---|---|
| Aluminum Alloys | 400 - 1500 m/min | 0.10 - 0.25 mm/t | Up to 2.5 mm |
| Copper / Brass | 200 - 600 m/min | 0.08 - 0.20 mm/t | Up to 2.0 mm |
Machinist Tip: Maximizing Aluminum Milling Efficiency
Even with a polished H01 grade, high-pressure coolant (or MQL) is recommended to help evacuate chips and keep the temperature down during ultra-high-speed passes.
Don't be afraid of high RPMs. WCKT inserts are balanced for high-velocity rotation. Lower speeds can actually increase the risk of aluminum sticking to the edge.
Packaging: 10 pieces per box.
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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.