Korloy DNMG150604-HM PC9030 Thick Stainless Steel Finishing Insert (10pcs)
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The Original Korloy DNMG150604-HM PC9030 (ANSI Standard: DNMG 441) is a heavy-duty 55° diamond turning insert specifically designed for high-stability finishing of Stainless Steel (M) and Super Alloys (S). Featuring a 6.35mm thick substrate, the DNMG1506 series provides superior mechanical strength and vibration dampening compared to standard thickness inserts. Combined with the PC9030 PVD grade, this insert excels in maintaining tight tolerances and mirror-like finishes on "gummy" materials like 304, 316, and Duplex stainless steel.
Heavy-Duty Precision: The added thickness of the DNMG 441 body acts as a critical heat sink during long finishing passes on large workpieces, protecting the cutting edge from thermal deformation and ensuring consistent dimensions from start to finish.
Technical Specifications:
| Brand | Korloy (100% Genuine) |
| ISO Code | DNMG150604-HM |
| ANSI Code | DNMG 441 |
| Grade | PC9030 (Premium PVD for Stainless) |
| Thickness | 6.35 mm (Industrial Stability) |
Core Performance Benefits:
- Maximum Rigidness: The 6.35mm thickness drastically reduces tool deflection and chatter during high-pressure finishing.
- PVD Nanostructure Coating: Offers extreme smoothness to prevent chip welding and built-up edge (BUE) on austenitic stainless steels.
- R0.4 Precision: Small nose radius reduces radial cutting forces, ideal for preventing vibration in slender or thin-walled parts.
- Thermal Shock Resistance: The PC9030 grade is optimized for wet machining, resisting the micro-cracking caused by rapid cooling cycles.
Recommended Cutting Parameters:
| Material Group | Cutting Speed (Vc) | Feed Rate (f) | Depth of Cut (ap) |
|---|---|---|---|
| Stainless 304 / 316 | 100 - 190 m/min | 0.05 - 0.18 mm/rev | 0.2 - 2.0 mm |
| Duplex Stainless (2205) | 60 - 120 m/min | 0.05 - 0.15 mm/rev | 0.2 - 1.5 mm |
| High-Temp Alloys | 30 - 65 m/min | 0.05 - 0.12 mm/rev | 0.2 - 1.0 mm |
Compatible Tool Holders:
Must be used with holders designed for 1506 (6.35mm thick) pockets:
- External Turning: DDJNR/L 2525M15 / 3232P15
- Heavy Boring Bars: S32T-DDUNR15 / S40U-DDUNR15 / S50V-DDUNR15
Thickness Advantage: DNMG 1506 vs. 1504
Why use the 150604 for stainless steel finishing?
Built for Large Scale Stability. The 6.35mm thickness prevents the insert from vibrating when finishing long stainless shafts. It is far more durable under heat than the 1504 version.
The standard 4.76mm thickness. Excellent for small-to-medium parts, but may struggle with chatter on heavy-duty lathes or deep internal boring.
Machinist's Insight: When precision finishing 316 stainless steel, heat is your enemy. The extra carbide volume in this 1506 insert pulls heat away from the cutting tip faster, allowing for a more stable and predictable finish.
Packaging: 10 pieces per box.
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.