Taegutec TNMG 160404L-VF CT3000 Cermet Insert Left-Hand Steel Finishing (10pcs)

$108.50 USD

Price shown is a starting point. Contact us for a precise quote based on your requirements.

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Description

TaeguTec TNMG 160404L-VF CT3000

Elite Uncoated Cermet for Mirror-Finish Steel Turning

Product Overview

"Which left-hand insert is best for achieving a mirror surface finish on steel while preventing built-up edge at high speeds?"

The TaeguTec TNMG 160404L-VF CT3000 is an advanced Cermet (Ceramic-Metallic) turning insert. Specifically engineered for the finishing stage, the CT3000 grade offers superior chemical stability and resistance to oxidation compared to traditional carbide. This results in an exceptionally sharp cutting edge that produces "mirror-finish" results on ISO P (Steel) workpieces. The VF (Very Fine) chipbreaker is designed with a precision geometry that manages chips perfectly at light depths of cut, making this Left-Hand (L) oriented tool a staple for high-precision mechanical components.

Key Core Advantages

Superior Surface Integrity

Cermet's resistance to Built-Up Edge (BUE) ensures that the cutting edge remains clean, delivering high Ra surface quality.

High-Speed Efficiency

Uncoated CT3000 allows for significantly higher cutting speeds (Vc) than carbide, reducing total cycle time in finishing operations.

VF Precision Chipbreaking

Sharp edge geometry breaks chips effectively even at extremely shallow depths of cut, preventing "bird-nesting" on the part.

Technical Specifications

ISO Designation: TNMG 160404L-VF

T
Triangular
N
Negative
M
Tolerance
G
With Hole
160404
0.4mm Rad
L-VF
LH-Fine
Standard Designation I.C. / Thickness Corner Radius
Metric (ISO) TNMG 160404L-VF 9.525 / 4.76 mm 0.40 mm
Imperial (ANSI) TNMG 331L-VF 3/8" / 3/16" 1/64"

Cermet Recommended Cutting Parameters (CT3000)

Material Group Cutting Speed (Vc) Feed Rate (fn)
Low Carbon Steel 250 - 480 m/min 0.05 - 0.20 mm/rev
Alloy Steel 200 - 380 m/min 0.05 - 0.15 mm/rev

Compatible Left-Hand Holders


Applications & Compatibility

  • Precision Finishing: Ideal for gear shafts, turbine parts, and precision cylinders.
  • Complex Geometries: Left-hand orientation allows for specialized CNC paths and profiling.
  • Mirror-Finish Requirements: For workpieces where visual aesthetics are as important as tolerances.
  • Compatibility: Industry-standard fit for all Left-hand 16mm triangular holders (MTJNL/PSSNL).

TaeguTec Cermet vs. Carbide

Criteria Cermet (CT3000) Carbide (TT8125) Best For
Chemical Stability Extreme High Medium CT3000
Thermal Hardness Higher High CT3000
Edge Toughness Medium Extreme High Carbide

Why Machinists Choose CT3000 Cermet?

While carbide is a general-purpose powerhouse, CT3000 Cermet is a finishing specialist. The secret lies in the ceramic binder, which prevents the carbon in the steel from reacting with the tool at high speeds. This keeps the 0.4mm corner radius sharp and true, even during extended production runs. Paired with the VF chipbreaker, it solves the problem of "bird-nesting" in finishing passes, ensuring the operator can focus on production rather than manual chip clearing. For those requiring tight tolerances and high-aesthetic finishes, the CT3000 is the ultimate industrial grade.

★★★★★

"Mirror finish on 1045 steel shafts. The LH orientation was exactly what our back-turning setup required."

— David L., USA
★★★★★

"Hervorragende Oberflächengüte. CT3000 ist der Beste für das Schlichten bei hoher Geschwindigkeit."

— Klaus M., Germany
★★★★★

"Ottima resistenza all'usura chimica. La finitura Ra è incredibilmente costante."

— Antonio V., Italy
★★★★☆

"Elite performance on precision CNC parts. Reduced our polishing time by 80%."

— Yuki T., Japan

Frequently Asked Questions

Q: Can I use Cermet for interrupted cuts?
A: Cermet is more brittle than carbide. It is highly recommended for continuous finishing. For heavy interruptions, please use TaeguTec TT8125 carbide.
Q: Should I use coolant with CT3000?
A: While Cermet can run with coolant, it excels in dry finishing because it is resistant to thermal cracking and oxidation.
Q: What does the "VF" stand for?
A: "VF" stands for Very Fine. This chipbreaker is specialized for light finishing passes and superior chip control.

Cermet Tip: Increase your cutting speed (Vc) by 20% compared to carbide to achieve the most stable tool life and best surface finish with CT3000.

Technical FAQ & Buying Guide

Are your carbide inserts interchangeable with major brands like Sandvik, Iscar, or Kennametal?

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.

How do I choose the correct insert grade and chipbreaker for machining Stainless Steel (M) vs. Carbon Steel (P)?

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.
What are the recommended cutting speed (Vc) and feed rate (f) parameters to maximize tool life?

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.
Do you offer bulk discounts or wholesale pricing for machine shops and distributors?

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.

What is your international shipping policy and typical lead time for orders?

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.

How do you guarantee the quality and tolerance precision of your CNC tools?

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.