Korloy DNMG150608-HM PC9030 Thick Stainless Steel Turning Insert, R0.8 (10pcs)
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The Original Korloy DNMG150608-HM PC9030 (ANSI Standard: DNMG 442) is the heavy-duty powerhouse for medium-duty turning of Stainless Steel (M) and High-Temperature Alloys (S). Designed with an industrial-grade 6.35mm thickness and a robust 0.8mm nose radius, this insert offers the maximum mechanical strength required for challenging stainless steel applications. The PC9030 PVD grade features advanced nanostructured coating technology that effectively prevents built-up edge (BUE) and ensures stable chip breaking even under high thermal loads.
Engineered for Stability: The DNMG 442's increased thickness significantly reduces vibration and tool deflection when machining large-diameter stainless shafts or forged components. It is the go-to choice for shops requiring high reliability in 304/316L production.
Technical Specifications:
| Brand | Korloy (100% Genuine) |
| ISO Code | DNMG150608-HM |
| ANSI Code | DNMG 442 |
| Grade | PC9030 (Premium PVD for Stainless) |
| Nose Radius | 0.8 mm (Strong Edge Security) |
Core Performance Benefits:
- Maximum Edge Strength: The R0.8 radius handles interrupted cuts and heavy scale much better than finishing models.
- Thermal Protection: The 6.35mm thickness allows the insert to act as a heat sink, preventing edge deformation during heavy cuts.
- Nanostructured PVD Coating: Optimized smoothness to stop "chip welding," ensuring clean surface finishes on gummy stainless steels.
- HM Versatile Geometry: Excellent chip control across a broad range of feed rates, reducing machine downtime from "nesting."
Recommended Cutting Parameters:
| Material Group | Cutting Speed (Vc) | Feed Rate (f) | Depth of Cut (ap) |
|---|---|---|---|
| Stainless Steel (304 / 316L) | 90 - 170 m/min | 0.15 - 0.35 mm/rev | 1.0 - 4.5 mm |
| Duplex / Super Stainless | 60 - 100 m/min | 0.12 - 0.28 mm/rev | 1.0 - 3.5 mm |
| High-Temp Alloys (Inconel) | 25 - 50 m/min | 0.10 - 0.22 mm/rev | 0.8 - 2.5 mm |
Compatible Tool Holders:
Must be used with heavy-duty holders designed for 1506 (6.35mm thick) inserts:
- External Turning: DDJNR/L 2525M15 / 3232P15 / 4040R15
- Internal Boring Bars: S32T-DDUNR15 / S40U-DDUNR15 / S50V-DDUNR15
The "Heavy" Advantage: DNMG 150608 vs. 150408
Why industrial shops prefer the 1506 thick version for stainless:
6.35mm thickness. Offers Maximum Heat Resistance and rigidity. The best choice for long cycles on large stainless parts where dimensions must remain perfect.
4.76mm thickness. Standard for lighter machines and smaller parts. Lacks the vibration-dampening power of the 1506 series in heavy-duty applications.
Machinist's Pro Tip: If you are getting chatter marks on your stainless steel part, switching to this 1506 thick version is often the fastest way to stabilize the cut and save the part.
Packaging: 10 pieces per box.