Taegutec TNMG 160408 EM TT9080 Insert for Stainless & Superalloy Turning (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 160408 EM TT9080

High-Toughness PVD Grade for Stainless Steel & Exotic Alloys

Product Overview

"Which insert is most reliable for preventing work hardening and notch wear when turning 304 or 316 stainless steel?"

The TaeguTec TNMG 160408 EM TT9080 is a high-performance PVD-coated solution specifically optimized for ISO M (Stainless Steel) and ISO S (Heat Resistant Alloys). The TT9080 grade features a fine-grained substrate with a specialized PVD coating that provides exceptional thermal stability and edge toughness. The EM (Medium-duty) chipbreaker is designed with a sharp cutting edge to reduce cutting forces and minimize heat transfer to the workpiece, effectively preventing the work-hardening issues common in stainless steel turning. With its 0.8mm corner radius, this insert provides the perfect balance of edge strength and surface finish quality for versatile industrial applications.

Key Performance Advantages

TT9080 Thermal Resilience

Advanced PVD coating prevents built-up edge (BUE) and offers superior resistance to chemical wear in high-temp alloys.

EM Chip Management

The EM geometry ensures stable chip breaking across a wide range of feed rates, reducing machine downtime from "bird-nesting."

Notch Wear Resistance

Specifically engineered to combat the concentrated wear at the depth-of-cut line typical of stainless steel machining.

Technical Specifications

Insert Code Decoding: TNMG 160408 EM

T
Triangle
N
Negative
M
Tolerance
G
Hole/Chip
160408
0.8 Rad
EM
Medium Cut
Standard Metric (ISO) Imperial (ANSI)
Full Designation TNMG 160408 EM TNMG 332 EM
I.C. / Thickness 9.525 mm / 4.76 mm 3/8" / 3/16"
Corner Radius 0.80 mm 1/32" (0.031")

Recommended Cutting Parameters (TT9080 Grade)

Material Group Vc (Speed m/min) fn (Feed mm/rev)
Stainless Steel (ISO M) 100 - 200 0.15 - 0.40
Heat Resistant Alloys (ISO S) 30 - 70 0.12 - 0.30

System Matching

Industrial Applications

  • Oil & Gas: Ideal for valves, fittings, and connectors made from Duplex and Super Duplex stainless steel.
  • Aerospace: High-reliability turning of engine components in Titanium and Inconel.
  • Food & Medical: Precise finishing of surgical tools and food-grade 316 stainless equipment.
  • Universal Tooling Fit: Compatible with all standard ISO holders (MTJNR, MTFNR, PSSNR) size 16.

TaeguTec Stainless Grade Comparison

Grade Coating Workpiece Focus Key Strength
TT9080 PVD Stainless / Heat-Resistant Edge Sharpness & Toughness
TT9225 CVD General Steel / Interrupted Thermal Protection
TT5080 PVD Small Parts / Precise Finish Extreme Precision

Why Choose TaeguTec TT9080?

Machining stainless steel is notoriously difficult due to its tendency to stick to the cutting edge and work-harden under pressure. The TaeguTec TT9080 grade is engineered specifically to overcome these challenges. By using a specialized PVD coating that maintains hardness at high temperatures and an EM chipbreaker that clears chips efficiently, this insert allows you to maintain aggressive cycle times without risking tool failure. The triangular design provides 6 usable cutting edges, offering an exceptional cost-to-performance ratio for your production line.

★★★★★

"Notch wear was killing our 316 turning passes. Switched to TT9080 and increased tool life by 40%."

— David S., USA
★★★★★

"Die beste Wahl für rostfreien Stahl. Saubere Spankontrolle mit der EM-Geometrie."

— Markus L., Germany
★★★★★

"Ottima resistenza al calore. Lo usiamo costantemente su leghe di nichel con ottimi risultati."

— Giovanni F., Italy
★★★★☆

"Consistently predictable wear. High reliability for our night shifts."

— Kenji O., Japan

Frequently Asked Questions

Q: Can I use TT9080 for mild steel?
A: While it will work, it is optimized for stainless. For standard carbon steel, the TT8125 or TT9225 grades will provide a more economical tool life.
Q: Is the EM chipbreaker for finishing or roughing?
A: The EM is a medium-duty chipbreaker. It covers a broad range from semi-finishing to light roughing in stainless steel.
Q: Should I use coolant with this insert?
A: Yes. High-pressure coolant is highly recommended when machining stainless steel and exotic alloys with PVD grades to shed heat and improve chip clearance.

Machining Pro-Tip: When turning stainless steel, ensure your feed rate (fn) is high enough to stay under the work-hardened layer of the previous pass to maximize tool life.

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.