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Advanced PVD Carbide for Stainless Steel and Exotic Super Alloys
Product Overview
"Which insert provides the best tool life and surface finish when turning Inconel 718 or 316L Stainless Steel at high temperatures?"
The TaeguTec TNMG 160408 EA TT9080 is the industrial benchmark for machining tough, gummy, and heat-resistant materials. The TT9080 PVD grade utilizes a submicron grain substrate coupled with an advanced coating that offers extreme thermal stability and adhesion resistance. The EA chipbreaker (Easy Cut) is a highly positive, sharp-edged geometry designed to shear through material rather than push it. This combination significantly reduces cutting forces and heat generation, effectively preventing work hardening in ISO M (Stainless) and ISO S (HRSA) applications while maintaining a 0.8mm corner radius for robust edge strength.
Key Core Advantages
Anti-Notch Wear Coating
The TT9080 PVD layer is engineered to resist notch wear and cratering, which are the primary failure modes in high-temp alloy turning.
The submicron substrate is exceptionally tough, preventing premature edge chipping even during light interrupted cuts or varied coolant flow.
Technical Specifications
ISO Designation Decoding: TNMG 160408 EA
T Triangular
N 60° Negative
M Tolerance
G W/Hole
160408 0.8 Rad
EA Sharp-Fin.
Measurement
Designation
I.C. (Inscribed Circle)
Radius
Metric (ISO)
TNMG 160408 EA
9.525 mm
0.80 mm
Imperial (ANSI)
TNMG 332 EA
3/8"
1/32"
Recommended Cutting Parameters (TT9080)
Material Group
Vc (m/min)
fn (mm/rev)
Stainless Steel (304/316)
70 - 160
0.10 - 0.25
Super Alloys (Inconel/Waspaloy)
25 - 60
0.08 - 0.20
Recommended Toolholder Pairing
Applications & Compatibility
Aerospace: Turbine blades, engine disks, and structural components made of Titanium or Inconel.
Medical: Precision turning of stainless steel implants and surgical tools.
Energy: High-pressure valves and offshore components using Duplex and Super-Duplex steel.
Compatibility: Universal fit for all 16mm triangular toolholders (MTJNR, PSSNR, etc.).
TaeguTec Grade Comparison (Stainless/HRSA)
Grade
Coating Type
Main Benefit
Cut Type
TT9080
PVD
Heat Resistance & Finishing
Stable / Med-Finish
TT9225
CVD
General Purpose Versatility
Medium / Roughing
TT9235
CVD
Impact Toughness
Heavy Interrupted
Why Choose the TT9080 + EA Geometry?
Machining super alloys and stainless steel is a battle against heat. The TT9080 grade serves as a thermal shield, while the EA chipbreaker ensures that heat is carried away with the chip rather than transferring into the tool or workpiece. This prevents the "work hardening" phenomenon that can destroy subsequent tooling. For B2B buyers in high-stakes industries, this insert provides the process security needed for lights-out manufacturing and expensive exotic materials.
★★★★★
"Best insert for Inconel. The tool life is 40% longer than our previous supplier. Reliable edge."
— Robert K., United States
★★★★★
"Perfekt für 316L Edelstahl. Der EA-Spanbrecher bricht die Späne sauber und schont das Werkstück."
— Gerhard M., Germany
★★★★★
"Eccellente stabilità termica. La finitura superficiale rimane costante su lotti da 500 pezzi."
— Stefano D., Italy
★★★★☆
"Consistent performance in Titanium. EA geometry reduces cutting vibration significantly."
— Yuki S., Japan
Frequently Asked Questions
Q: Can I use TT9080 for dry machining? A: While the PVD coating is heat-resistant, high-pressure coolant is strongly recommended for Stainless Steel and HRSA to prevent built-up edge and assist chip evacuation.
Q: What is the optimal depth of cut (Ap) for the EA chipbreaker? A: The EA geometry is optimized for medium-to-fine finishing, generally performing best between 0.5mm and 2.5mm Ap.
Q: How does PVD coating benefit me over CVD? A: PVD coatings are thinner and allow for a much sharper cutting edge, which is critical for reducing work hardening in gummy materials like Stainless Steel.
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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