TNMG160404R-FS TT8020 PVD Carbide Turning Insert – TaeguTec (10pcs)

$125.98 USD

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

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Description

TaeguTec TNMG 160404R-FS TT8020

Master Precision Finishing in Stainless Steel and Exotic Alloys

Product Overview

"Which insert provides the smoothest surface finish and best chip breaking when finishing 304 or 316 stainless steel at high speeds?"

The TaeguTec TNMG 160404R-FS TT8020 is a premier PVD-coated insert specifically crafted for high-accuracy finishing in ISO M (Stainless Steel) and ISO S (Exotic Alloys). The TT8020 grade features a sub-micron substrate with advanced PVD technology for incredible edge sharpness and thermal stability. The FS (Finishing) chipbreaker is designed for low depth-of-cut applications, featuring a positive rake angle that slices through gummy materials to prevent work hardening and built-up edge (BUE). The Right-hand (R) orientation and 0.4mm corner radius ensure tight tolerances and a mirror-like Ra finish.

Key Core Advantages

PVD TT8020 Technology

Ultra-sharp edge retention and high resistance to chemical wear, making it ideal for medical and aerospace-grade alloys.

FS Chipbreaker Precision

Specifically engineered to break chips even at very low feed rates and small depths of cut, ensuring machine safety.

0.4mm Finishing Radius

Minimizes vibration and cutting force, allowing for superior dimensional accuracy on thin-walled components.

Technical Specifications

Insert Code Decoding: TNMG 160404R-FS

T
Triangle
N
Negative
M
Tolerance
G
Hole/Chip
160404
0.4 Rad
R-FS
RH-Finish
Feature Metric (ISO) Imperial (ANSI)
Standard Designation TNMG 160404R-FS TNMG 331R-FS
I.C. / Thickness 9.525 mm / 4.76 mm 3/8" / 3/16"
Corner Radius 0.40 mm 1/64"

Recommended Cutting Data (TT8020 Grade)

Material Group Vc (m/min) fn (mm/rev)
Stainless Steel (ISO M) 140 - 250 0.05 - 0.20
Heat Resistant Alloys (ISO S) 40 - 80 0.05 - 0.18

Right-Hand Tool Matching


Applications & Tool Compatibility

  • Medical Devices: High-precision turning of surgical instruments in biocompatible stainless alloys.
  • Aerospace: Critical finishing of small fasteners and turbine components in titanium.
  • Food Grade Machining: Smooth surface finishes for 316L stainless valve parts.
  • Compatibility: Standard ISO-compliant triangular holder pocket (16 size) such as MTJNR or PSSNR.

TaeguTec Stainless Grade Comparison

Grade Coating Primary Application Tool Strength
TT8020 PVD Precision Finishing Edge Sharpness
TT9080 PVD General Stainless Turning High Versatility
TT9225 CVD Heavy Stainless Cut Thermal Stability

Why Choose TaeguTec TT8020?

Finishing stainless steel requires more than just a sharp edge; it requires a grade that can resist the intense heat and chemical reactions of exotic alloys. The TT8020 is TaeguTec’s answer to high-tolerance requirements. The FS chipbreaker acts like a precision blade, curling and breaking chips away from the workpiece to protect the freshly machined surface. By utilizing the triangular TNMG geometry with its 6 cutting edges, you achieve unmatched efficiency and a significantly lower cost-per-part compared to semi-finishing inserts forced into a finishing role.

★★★★★

"Mirror-like finish on 304 stainless. The FS geometry is a lifesaver for small diameter work."

— Robert M., USA
★★★★★

"Hervorragende Oberflächenqualität. Der Spänefluss ist auch bei geringer Zustellung perfekt."

— Stefan H., Germany
★★★★★

"Eccellente per il titanio. La precisione dimensionale è rimasta costante per tutto il lotto."

— Alessio P., Italy
★★★★☆

"Predictable tool life. Very high quality finishing grade."

— Kenzo W., Japan

Frequently Asked Questions

Q: Is this insert suitable for roughing?
A: No. The FS chipbreaker is designed specifically for finishing (ap < 1.5mm). For roughing, we recommend the EM or ET chipbreakers in the TT9080 grade.
Q: Can I use this for dry machining?
A: While the PVD coating can handle heat, we strongly suggest high-pressure coolant to prevent built-up edge when machining stainless steel.
Q: What does the "R" stand for in 160404R?
A: "R" denotes Right-Hand orientation. This is critical for the specific geometry of the FS chipbreaker to function correctly with right-hand holders.

Precision Tip: For the best results on stainless steel, ensure your feed rate is consistent and never dwell at the end of a cut to avoid creating a work-hardened spot.

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.