TaeguTec SNMG120404-EA TT9080 PVD Coated Carbide Turning Insert | 10 Pcs/Box
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TaeguTec SNMG120404-EA TT9080 Inserts
Stainless Steel & Exotic Alloy Light Finishing | TT9080 PVD Coated Grade | Box of 10 Pcs
"Which negative square PVD-coated carbide insert with a 0.4mm corner radius and EA finishing chipbreaker is best for low-force finishing, smooth outer diameter profiling, and chatter-free machining of stainless steels and heat-resistant exotic alloys?"
The TaeguTec SNMG120404-EA TT9080 is an elite, double-sided, negative-rake square turning insert engineered specifically for precision light finishing, semi-finishing, and smooth external profiling across austenitic stainless steels (ISO M), titanium alloys, and high-temperature superalloys. Powered by TaeguTec's advanced TT9080 PVD coated carbide grade—featuring an ultra-smooth nano-structured TiAlN-TiN physical vapor deposition coating over a tough, shock-resistant tungsten carbide substrate—this insert preserves an acute, razor-sharp cutting edge that resists thermal shock, built-up edge (BUE), and notch wear during gummy or interrupted cuts. Unlike thick multi-layer CVD coatings that round off cutting edges and promote work hardening on stainless steel, thin-film PVD coatings on TT9080 shear tough materials cleanly with minimal cutting resistance. Paired with a precision 0.4mm nose radius and the specialized EA positive finishing chipbreaker, it delivers low cutting forces, excellent chip control at shallow feeds, and superior surface finish quality. Whether you are browsing our extensive TaeguTec SNMG collection, exploring double-sided square inserts, or comparing alternative geometries in TaeguTec CNMG and TaeguTec negative turning inserts, the SNMG120404-EA TT9080 delivers unbeatable productivity. Broaden your tooling knowledge with our guides on what is a carbide drill, solid vs indexable milling, CNMG grade cross-reference, chipbreaker families, carbide insert nose radius, stainless steel speeds and feeds, inserts by material, inserts by operation, and top global CNC insert brands. Explore multi-brand equivalents in Korloy SNMG and ZCC-CT SNMG catalogs.
Core Engineering Advantages
TT9080 Nano-PVD Grade
Advanced TiAlN-TiN nano-structured PVD coating maintains acute edge sharpness and resists thermal shock in stainless and exotic alloys.
EA Positive Finishing Chipbreaker
Engineered with sharp positive geometry for low cutting forces, preventing work hardening and vibration during finishing.
0.4mm Radius & 90° Square Economy
Robust double-sided square format delivers 8 indexable cutting edges for maximum tool economy and high clamping rigidity.
ISO Code Specification Breakdown
Technical Specifications & Dimensional Comparison
| Parameter | Metric (Standard) | Imperial Equivalent |
|---|---|---|
| ISO / ANSI Designation | SNMG 120404-EA | SNMG 431-EA (Approx.) |
| Inscribed Circle (IC) | 12.70 mm | 0.500" (1/2") |
| Thickness (S) | 4.76 mm | 0.1875" (3/16") |
| Corner Radius (RE) | 0.40 mm | 0.0157" (approx. 1/64") |
| Grade & Coating | TT9080 (Nano-PVD Coated Carbide) | Stainless & Exotic Alloy PVD Grade |
Recommended Cutting Parameters
*Values are starting recommendations for light finishing and semi-finishing in stainless steels and exotic alloys with TT9080 PVD grade.
| Workpiece Material | Cutting Speed (Vc) | Feed Rate (fn) | Depth of Cut (Ap) |
|---|---|---|---|
| Austenitic Stainless Steels (M - 304 / 316L) | 140 - 240 m/min | 0.08 - 0.22 mm/rev | 0.30 - 2.00 mm |
| Heat-Resistant Superalloys (S - Inconel / Waspaloy) | 35 - 75 m/min | 0.06 - 0.18 mm/rev | 0.25 - 1.50 mm |
| Titanium Alloys (S - Ti6Al4V) | 50 - 110 m/min | 0.07 - 0.20 mm/rev | 0.30 - 1.80 mm |
Compatible Tool Holders & Clamping Accessories
Pair these precision 12-size negative square inserts with rigid external turning toolholders such as the Beyond MSRNR2020K12 Right-Hand Turning Tool Holder, Beyond MSSNL2020K12 Multi-Lock Tool Holder, and larger Beyond MSKNR2525M15 Turning Holder.
Explore mounting systems via double clamp system external holders, lever lock system external holders, and accessories for indexable holders.
Industrial Applications
- Stainless Steel Light Finishing & Profiling: Sharp positive EA geometry prevents work hardening and delivers superior surface finishes on stainless shafts and flanges.
- Exotic Alloy & Superalloy Machining: Nano-PVD TT9080 grade resists thermal wear and chemical erosion when turning Inconel, Waspaloy, and titanium aerospace components.
- Multi-Brand Tooling Consolidation: Fully compatible with standard ISO negative square 90° turning toolholders across TaeguTec SNMG, Korloy SNMG, and ZCC-CT SNMG catalogs.
TaeguTec Grade Selection Matrix
Selecting the optimal TaeguTec turning grade for negative inserts:
- TT9080 (Featured - Nano-PVD Coated Grade): Advanced PVD coated carbide engineered specifically for stainless steels (ISO M), titanium, and heat-resistant superalloys where acute edge toughness and thermal shock resistance are vital.
- TT7015 (CVD Coated Grade): High-speed CVD coated grade optimized for continuous turning and roughing in carbon steels and alloy steels (ISO P) where maximum thermal barrier protection is required.
- TT8125 (CVD Coated General Grade): Versatile CVD coated carbide for general steel turning under moderate cutting speeds and continuous conditions.
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On-staff tooling specialists available for speed and feed recommendations.
Frequently Asked Questions
Q: When should I choose PVD grade TT9080 instead of CVD grades like TT7015?
A: Choose TT9080 PVD coated inserts when machining stainless steels (ISO M), titanium, or high-temperature superalloys, as the thin nano-PVD coating maintains a sharper cutting edge and resists thermal shock. Choose CVD grades (such as TT7015) for high-speed continuous turning in carbon steels.
Q: What is the main advantage of the EA finishing chipbreaker?
A: The EA chipbreaker provides a sharp positive rake that generates exceptionally low cutting forces, preventing work hardening and vibration during light finishing passes in stainless and exotic materials.
Q: How many cutting edges are available on each SNMG insert?
A: Being a double-sided negative square insert, SNMG 1204 provides 8 indexable cutting edges (4 on the top face and 4 on the bottom face), maximizing tool economy.
Need Help With TaeguTec Inserts?
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.
This TaeguTec insert is in stock. 24-hour quote response. ISO 9001 certified. Ships from Hangzhou in 3–7 days.
Technical FAQ & Buying Guide
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.
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