Korloy DNMG150608-HM NC3120 Heavy-Duty Thick Steel Turning Insert (10pcs)
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The Original Korloy DNMG150608-HM NC3120 (ANSI Standard: DNMG 442) is a high-rigidity 55° diamond turning insert designed for maximum reliability in medium-duty steel machining. With an increased thickness of 6.35mm and a robust 0.8mm nose radius, this insert offers unparalleled mechanical strength and heat absorption. The NC3120 universal grade provides a balanced combination of wear resistance and toughness, making it the perfect choice for varying steel materials and unpredictable cutting conditions.
Maximum Stability: The DNMG 1506 series is significantly more robust than the standard 1504 series. This 6.35mm thick insert is ideal for large-scale production where tool failure must be avoided at all costs, even when facing light interruptions or scale.
Technical Specifications:
| Brand | Korloy (100% Genuine) |
| ISO Code | DNMG150608-HM |
| ANSI Code | DNMG 442 |
| Grade | NC3120 (Universal CVD for Steel) |
| Thickness | 6.35 mm (Industrial High-Strength) |
Core Performance Benefits:
- Extreme Heat Dissipation: The thicker carbide body handles higher thermal loads during long, continuous turning passes.
- Durable R0.8 Edge: Specifically designed for semi-finishing and medium turning, allowing for higher feed rates and stable chip breaking.
- NC3120 Universal Technology: A versatile CVD coating that resists both high-speed wear and impact chipping.
- Secure 4-Edge Design: Double-sided negative geometry provides 4 usable edges for cost-effective heavy turning.
Recommended Cutting Parameters:
| Material Group | Cutting Speed (Vc) | Feed Rate (f) | Depth of Cut (ap) |
|---|---|---|---|
| Carbon Steel (1045 / S45C) | 150 - 300 m/min | 0.15 - 0.45 mm/rev | 1.0 - 5.0 mm |
| Alloy Steel (4140 / SCM440) | 120 - 240 m/min | 0.12 - 0.38 mm/rev | 0.8 - 4.5 mm |
| Rough Forged Steel (With Scale) | 100 - 180 m/min | 0.15 - 0.40 mm/rev | 1.0 - 5.0 mm |
Compatible Tool Holders:
Requires heavy-duty holders compatible with 1506 (6.35mm thick) pockets:
- External Turning: DDJNR/L 2525M15 / 3232P15
- Large Internal Boring Bars: S32T-DDUNR15 / S40U-DDUNR15 / S50V-DDUNR15
Choosing the Right 1506 Grade
NC3120 vs. NC3030 for heavy-duty DNMG 150608:
Best for General Reliability. This is the grade you should stock for everyday heavy-duty steel turning. It handles most materials efficiently with a high safety margin.
Best for Extreme Impact. If you are machining parts with deep keyways or extremely heavy scale on old, loose machines, step up to NC3030 to prevent edge snapping.
Machinist's Insight: The DNMG 150608 NC3120 is your "Peace of Mind" tool. When you are starting a new job on a large workpiece and aren't sure how the material will behave, this is the safest and most efficient insert to load.
Packaging: 10 pieces per box.