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The Pinnacle of High-Speed Cermet Finishing Technology
Product Overview
"Which grade is best for achieving a mirror-like finish on carbon steel while maintaining high productivity?"
The TaeguTec TNMG 160408R-FS CT3000 is an advanced Cermet insert engineered specifically for finishing operations in ISO P (Steel). Unlike traditional carbide, the CT3000 grade consists of ceramic particles in a metallic binder, providing incredible resistance to oxidation and built-up edge (BUE). This allows for much higher cutting speeds while producing an exceptional surface Ra. The FS (Finishing) chipbreaker is designed for light depths of cut, utilizing a sharp, positive rake angle to ensure precise chip control and dimensional stability. With a 0.8mm corner radius and Right-hand (R) design, it offers the perfect balance between edge strength and surface quality.
Key Core Advantages
CT3000 Cermet Grade
Unbeatable chemical stability at high temperatures, preventing crater wear and maintaining edge sharpness longer than carbide.
FS Precision Finishing
Superior chip breaking at very low feed rates, specifically designed to handle the critical final pass of steel components.
Mirror Surface Finish
The low affinity of cermet to steel prevents welding, resulting in smooth, shiny surface finishes that often eliminate the need for grinding.
Technical Specifications
Designation Breakdown: TNMG 160408R-FS
T Triangle
N Negative
M Tolerance
G Hole/Chip
160408 0.8mm Rad
R-FS RH-Finish
Unit
Designation
I.C. / Thickness
Radius
Metric (ISO)
TNMG 160408R-FS
9.525 / 4.76 mm
0.80 mm
Imperial (ANSI)
TNMG 332R-FS
3/8" / 3/16"
1/32"
Recommended Cutting Parameters (CT3000 Cermet)
Workpiece (ISO P)
Vc (m/min)
fn (mm/rev)
Low Carbon Steel
250 - 550
0.05 - 0.25
Alloy Steel
200 - 450
0.05 - 0.20
Right-Hand Tool Compatibility
Applications & Compatibility
Automotive Finishing: Excellent for gears, crankshafts, and fuel injection components.
Precision Components: Best choice for medical instruments and precision fasteners.
Grinding Replacement: Often used to achieve finishes good enough to bypass secondary grinding.
Machine Compatibility: Optimized for high-speed CNC lathes with stable spindles.
TaeguTec Grade Comparison: Cermet vs Carbide
Grade
Material Type
Best For
Surface Quality
CT3000
Cermet
High-Speed Finishing
Elite / Mirror
TT8115
CVD Carbide
General Finishing
Excellent
TT9225
CVD Carbide
Medium Turning
Good
Why Machinists Trust CT3000?
When "standard" isn't good enough, CNC experts turn to the **TNMG 160408R-FS CT3000**. Cermet technology represents the next level of efficiency for steel turning. Because the **CT3000** has a very low thermal conductivity to the tool body, the heat is carried away in the chips, allowing you to ramp up the speed without fearing edge deformation. The **FS chipbreaker** ensures that even at the light passes required for high-spec finishing, the chips remain manageable and safety is never compromised. It is an investment in both part quality and machine throughput.
★★★★★
"The finish is incredible. It looks like the part was polished. CT3000 is my go-to for final passes."
— David S., USA
★★★★★
"Perfektes Finish auf 1.0503 Stahl. Die Standzeit ist bei hohen Schnittgeschwindigkeiten beeindruckend."
— Klaus M., Germany
★★★★★
"Finitura a specchio. Controllo del truciolo eccellente anche con passate minime."
— Luca G., Italy
★★★★☆
"Very consistent performance. Highly recommended for automotive steel parts."
— Kenji S., Japan
Frequently Asked Questions
Q: Can I use this for interrupted cuts? A: Cermet is more brittle than carbide. While it can handle very light, stable interruptions, it is best optimized for continuous finishing cuts.
Q: Should I use coolant with CT3000? A: Cermet can be used dry or with coolant. If using coolant, ensure a high and constant volume to avoid thermal shock.
Q: What is the benefit of the 0.8mm radius for finishing? A: The 0.8mm radius (08) provides a stronger corner than 0.4mm, allowing for slightly higher feed rates while still achieving a very high surface finish with the FS chipbreaker.
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.
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.
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