Taegutec TNMG 160408R-VF CT3000 Cermet Insert for Steel Mirror Finishing (10pcs)

$110.00 USD

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

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Description

TaeguTec TNMG 160408R-VF CT3000

The Ultimate Cermet Solution for High-Velocity Steel Finishing

Product Overview

"Which cermet insert is best for achieving a mirror-like finish on carbon steel at high speeds while maintaining tight tolerances?"

The TaeguTec TNMG 160408R-VF CT3000 is an advanced Cermet insert optimized for ISO P (Steel) finishing operations. The CT3000 grade utilizes a titanium-based ceramic in a metallic binder, offering exceptional chemical stability and resistance to oxidation. This prevents built-up edge (BUE) and maintains a sharp cutting edge much longer than traditional carbide. The VF (Very Fine) chipbreaker is precision-engineered for light depths of cut, providing excellent chip control and dimensional stability. With a 0.8mm corner radius, this insert offers increased edge strength while delivering a superior surface Ra.

Key Core Advantages

CT3000 Cermet Tech

Superior thermal and chemical stability allows for high cutting speeds without plastic deformation of the edge.

VF Precision Finishing

Specifically designed for finishing passes to eliminate "bird-nesting" of chips at low depths of cut.

Grinding Replacement

Capable of achieving surface finishes so smooth they can often bypass secondary grinding processes.

Technical Specifications

Designation Breakdown: TNMG 160408R-VF

T
Triangle
N
Negative
M
Tolerance
G
Hole/Chip
160408
0.8mm Rad
R-VF
RH-Fine
Unit ISO Designation I.C. / Thickness Radius
Metric TNMG 160408R-VF 9.525 / 4.76 mm 0.80 mm
Imperial TNMG 332R-VF 3/8" / 3/16" 1/32"

Recommended Cutting Parameters (CT3000)

Workpiece (ISO P) Vc (m/min) fn (mm/rev)
Carbon Steel 250 - 550 0.05 - 0.20
Alloy Steel 200 - 450 0.05 - 0.15

Toolholder Pairing


Applications & Compatibility

  • Precision Finishing: Best for components requiring mirror surface quality.
  • Automotive Parts: Ideal for high-volume steel gear and shaft finishing.
  • High-Speed Lathes: Best performance on machines capable of 300+ m/min.
  • Compatibility: Fits all standard ISO-standard size 16 triangular Right-hand holders (MTJNR, PSSNR, etc.).

TaeguTec Grade Performance Chart

Grade Composition Primary Use Surface Quality
CT3000 Cermet Ultra-High Speed Finish Elite Mirror
TT8115 CVD Carbide Continuous Finishing Excellent
TT9225 CVD Carbide General Turning Good

Why Machinists Trust CT3000?

Surface quality is the hallmark of a professional machinist. The TNMG 160408R-VF CT3000 provides the security you need for final passes. Because cermet has a much lower affinity for carbon steel than tungsten carbide, built-up edge is virtually eliminated. The VF chipbreaker ensures that even at depths of cut below 0.5mm, your chips remain controlled and your surface remains flawless. When downtime is not an option and precision is a requirement, CT3000 is the industry’s standard.

★★★★★

"Mirror finish straight off the lathe. We saved 20 minutes per part by skipping the grinding."

— Alex R., USA
★★★★★

"Perfektes Finish. CT3000 ist bei hohen Geschwindigkeiten unschlagbar."

— Markus L., Germany
★★★★★

"Eccellente per la finitura di precisione. Truciolo sempre sotto controllo."

— Giovanni S., Italy
★★★★☆

"The most consistent cermet grade we have used in our automotive line."

— Takashi Y., Japan

Frequently Asked Questions

Q: Can I use this for interrupted cuts?
A: Cermet is more brittle than carbide. For interrupted cuts, we recommend using a toughened carbide grade like TT8125.
Q: What is the benefit of the VF chipbreaker?
A: VF (Very Fine) is optimized for very shallow depths of cut, preventing long, stringy chips from scratching your part surface.
Q: Does this require coolant?
A: Cermet can be used dry or with high-pressure coolant. Avoid erratic coolant flow which can lead to thermal cracking.

Pro-Tip: Cermet thrive at high speeds. If you see a dull finish, increase your cutting speed (Vc) to fully activate the cermet’s chemical property.

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.