TaeguTec DNMG150408FG CT3000 | Mirror-Finish Cermet Turning Insert
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TaeguTec DNMG150408FG CT3000
The Industrial Standard for High-Speed Mirror Finishing & Precision
Product Overview
"Which cermet grade is best for high-speed finishing of carbon steel while maintaining a mirror-like surface and strict dimensional tolerances?"
The TaeguTec DNMG150408FG CT3000 is an elite uncoated Cermet insert optimized for precision finishing of ISO P (Steel). The CT3000 grade is a titanium-based ceramic-metallic composite that provides a lower chemical affinity with steel compared to carbide, virtually eliminating workpiece adhesion and built-up edge. The FG (Finishing Geometry) chipbreaker is specifically engineered for light depths of cut, utilizing a sharp cutting edge and positive rake to facilitate smooth chip evacuation. With a 0.8mm corner radius, this insert offers increased edge stability for continuous finishing passes, ensuring an exceptional surface Ra finish.
Key Features
A specialized uncoated grade that resists oxidation and maintains a sharp edge, resulting in superior surface gloss.
Designed for finishing loads, it reduces friction and cutting temperature, protecting the workpiece surface.
The chemical stability of Cermet ensures that tool wear is predictable, keeping your parts within tolerance over longer runs.
Technical Specifications
ISO Code Decoding: DNMG150408FG
55° Rhom
0° Relief
Tolerance
Hole/Sint
12.7mm IC
4.76mm S
0.8mm RE
Finish G.
| Unit System | Designation | I.C. Dimension | Radius |
|---|---|---|---|
| Metric (ISO) | DNMG150408FG | 12.7 mm | 0.8 mm |
| Imperial (ANSI) | DNMG432FG | 0.500" | 0.031" |
Recommended Cutting Parameters
| Material Group | Speed (Vc) | Feed Rate (fn) |
|---|---|---|
| Carbon Steel (ISO P) | 150 - 350 m/min | 0.08 - 0.25 mm/rev |
| Alloy Steel (ISO P) | 120 - 280 m/min | 0.08 - 0.20 mm/rev |
Compatible Toolholders
This DNMG 1504 series insert is designed for standard Holders and Boring Bars including DDJNR/L 15 and PDJNR/L 15.
Product Applications
- High-gloss finishing on carbon and alloy steel components.
- Precision CNC turning of precision shafts, gears, and bearing seats.
- Machining of sintered steel parts where edge sharpness is vital.
- Final pass operations aimed at eliminating secondary grinding or polishing.
TaeguTec Grade Benchmarking
| Grade Name | Type | Primary Application |
|---|---|---|
| CT3000 | Uncoated Cermet | The Perfectionist: Mirror finish for steel. |
| PV3010 | PVD Coated Cermet | The Durable: Tougher finishing in alloy steel. |
Why Choose TaeguTec?
As a global leader in metalworking solutions, TaeguTec represents the pinnacle of tool engineering. The CT3000 Cermet grade is specifically formulated to bridge the gap between carbide and grinding, offering CNC operators the ability to produce parts with reflective finishes directly from the lathe. By utilizing advanced titanium-based compounds and the precision-ground FG chipbreaker, TaeguTec ensures your high-speed finishing operations are efficient, stable, and aesthetically perfect. When your project demands the ultimate surface quality, trust TaeguTec CT3000.
Global Industry Feedback
"Eliminated Polishing"
Replaced our standard finishing insert with CT3000. We no longer need secondary polishing on our steel pins. Ra is amazing.
— CNC Solutions (USA)"Exzellenter Glanz"
Fantastic performance on C45 steel. The mirror finish is consistent across every batch. Highly recommended.
— Präzisionstechnik GmbH (Germany)"Very Sharp Edge"
The cermet stays sharp and cool even at high RPMs. Much better surface than our previous carbide inserts.
— Meccanica di Precisione (Italy)Frequently Asked Questions
1. Why is Cermet better than Carbide for mirror finishes?
Cermet (CT3000) has lower chemical affinity with iron, meaning the steel won't "stick" to the edge. This prevents tearing and produces a smoother finish.
2. Can I use coolant with this cermet insert?
Yes, but ensure it is continuous. Thermal shock from intermittent coolant can cause micro-cracking in cermet. Dry machining is also highly effective.
Need Help With taegutec Inserts?
Looking for a taegutec equivalent, alternative grade, or sample catalog? Our CNC specialists have helped 50+ manufacturers in aerospace, automotive, and medical machining source the right tooling at 30–50% lower cost than OEM prices.
This taegutec insert is in stock. 24-hour quote response. ISO 9001 certified. Ships from Hangzhou in 3–7 days.
Technical FAQ & Buying Guide
When choosing CNC cutting tools, check the full model code, dimensions, grade and selected variant before ordering. Do not rely on the product image alone.
For carbide inserts, tool holders, drills and end mills, compare the mounting dimensions, connection type and manufacturer's specifications with your holder or machine. If you are unsure, share your existing part number and machining application with us before ordering.
Check the product listing for the selling unit, pack quantity and included components. If it is unclear whether the price is per piece or per pack, or whether a tool body and inserts are sold separately, contact us before purchasing.
Select cutting speed, feed rate and depth of cut using the relevant manufacturer's recommendations for your tool model, workpiece material, machine conditions and coolant method. The same settings are not suitable for every product or application.
Our automatic quantity discount is 6% off for 2–9 items and 12% off for 10 or more items, based on the total product quantity in the cart. Other offers may not combine with this discount; check the applicable offer conditions.
According to our shipping policy, orders are typically processed and shipped within 1–3 business days after confirmation. Delivery generally takes 5–20 business days, depending on your destination and shipping method. Customs clearance or unforeseen delays may affect delivery times. A tracking number is sent by email after shipment.