Korloy TCGT16T304-AK H01 Mirror Polished Turning Insert for Aluminum (10pcs)
Price shown is a starting point. Contact us for a precise quote based on your requirements.
The Original Korloy TCGT16T304-AK H01 is a high-performance Large Triangular Indexable Insert designed for the efficient machining of Aluminum, Copper, Brass, and Non-Ferrous Alloys. The H01 Grade utilizes an uncoated micro-grain carbide with an industry-leading Mirror-Polished rake face. Featuring the ultra-sharp AK chipbreaker and a robust 0.4mm corner radius, this insert offers the perfect balance between high productivity (feed rate) and a flawless surface finish.
The Efficiency Champion: For large-scale aluminum turning, the 0.4mm (R0.4) corner radius allows for significantly higher feed rates compared to the R0.2 version. It provides the necessary edge strength to handle light roughing while still delivering a "Mirror Finish" during final passes.
Technical Specifications:
| Brand | Korloy (100% Genuine) |
| ISO Designation | TCGT16T304-AK |
| Corner Radius (r) | 0.4 mm (High Performance) |
| Grade | H01 (Micro-grain Polished Carbide) |
| Insert Side Length | 16.5 mm |
Core Performance Benefits:
- Maximum Metal Removal: The TCGT16 size provides a long cutting edge, ideal for larger depths of cut and faster material removal in non-ferrous alloys.
- Eliminate "Chip Welding": The polished mirror surface ensures chips do not stick to the tool, even when machining gummy aluminum 1000/6000 series.
- Enhanced Edge Life: The 0.4mm radius is more durable than R0.2, making it the preferred choice for continuous high-speed production runs.
- Sharp Shearing Action: Reduced cutting forces prevent the deformation of workpieces and ensure dimensional accuracy.
Recommended Cutting Parameters:
| Workpiece Material | Cutting Speed (Vc) | Feed Rate (fn) | Depth of Cut (ap) |
|---|---|---|---|
| Aluminum (6061 / 7075) | 400 - 1200 m/min | 0.12 - 0.30 mm/rev | 0.2 - 4.0 mm |
| Copper / Yellow Brass | 200 - 600 m/min | 0.10 - 0.22 mm/rev | 0.2 - 2.5 mm |
| Delrin / POM / Acrylic | 150 - 600 m/min | 0.10 - 0.35 mm/rev | 0.3 - 5.0 mm |
Compatible Tooling Systems:
Precision matched for large-scale turning and boring:
- External Turning Toolholders: STGCR 2020K16 / STGCR 2525M16
- Internal Boring Bars: S20R-STFCR16 / S25S-STFCR16
Machinist Tip: The "Sweet Spot" for Aluminum
Why the 16T304 H01 is the most used aluminum insert:
Best for Standard Non-Ferrous. For general aluminum and copper turning, H01 is unrivaled. It provides a sharper edge than any coated insert, which is key to a low-Ra surface finish.
When to switch? If you are machining High-Silicon Aluminum (AlSi > 10%) like cast engine components, the H01 edge will wear quickly. Switch to a DLC (Diamond-Like Carbon) coated grade for abrasive resistance.
Pro Advice: The TCGT16T304 is incredibly versatile. If you experience surface chatter, check your spindle speed—often increasing the RPM will actually stabilize the cut with this sharp AK geometry.
Packaging: 10 pieces per box.
Korloy TCGT16T304-AK H01 price and specs, best turning insert for large 6061 aluminum parts, TCGT 16T304 mirror finish on copper, non-ferrous turning insert for heavy aluminum removal, precision polished carbide insert for large bores
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.