TaeguTec CNMG190612EM TT9080 | Heavy-Duty PVD Stainless Turning Insert
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TaeguTec CNMG190612EM TT9080
Heavy-Duty Performance: Sub-Micron PVD Grade for Large-Scale Alloy Machining
Product Overview
"Which turning insert offers the best thermal stability and edge toughness for heavy-duty machining of large stainless steel shafts or aerospace engine housings?"
The TaeguTec CNMG190612EM TT9080 is an industrial-scale 80° rhombic insert optimized for ISO M (Stainless Steel) and ISO S (Super Alloys). Utilizing the premier TT9080 PVD grade, it features a specialized sub-micron substrate that resists thermal cracking and notch wear. The EM (Medium-Duty) chipbreaker is engineered with a sharp yet reinforced geometry to handle high depths of cut, while the 1.2mm radius ensures maximum edge strength under high-torque CNC operations.
Key Features
Smooth coating surface significantly reduces Built-Up Edge (BUE) on gummy stainless steels like 316L and 304.
Stable chip breaking across large feed ranges, preventing long "bird-nesting" chips in automated production.
With a 19.05mm IC and 6.35mm thickness, this insert is built for high-volume material removal in large workpieces.
Technical Specifications
ISO Code Decoding: CNMG190612EM
80° Rhom
0° Relief
Tolerance
Hole/Sint
19.05mm IC
6.35mm S
1.2mm RE
Med-Duty
| Unit System | Designation | I.C. Dimension | Radius (RE) |
|---|---|---|---|
| Metric (ISO) | CNMG190612EM | 19.05 mm | 1.2 mm |
| Imperial (ANSI) | CNMG643EM | 0.750" | 0.047" |
Recommended Cutting Parameters (ISO M/S)
| Material Group | Speed (Vc) | Feed Rate (fn) |
|---|---|---|
| Stainless Steel (Austenitic) | 120 - 210 m/min | 0.20 - 0.50 mm/rev |
| Exotic Alloys (Inconel 718) | 30 - 65 m/min | 0.15 - 0.40 mm/rev |
Compatible Toolholders
Direct fit for large-shank 19.05mm I.C. holders including DCLNR/L 19, PCLNR/L 19, and MCLNR/L 19 holders and boring bars.
Product Applications
- Medium to heavy turning of large stainless steel shafts in power generation.
- Machining of heavy aerospace engine components in Super Alloys.
- Production of large-scale oil and gas valve bodies in Duplex Stainless.
- High-torque CNC turning requiring long tool life and thermal stability.
TaeguTec Grade Comparison (Stainless Focus)
| Grade Name | Coating Focus | Best Use Case |
|---|---|---|
| TT9080 (PVD) | Thermal/Wear Shield | Pro: Stainless & Exotics finishing/medium. |
| TT8125 (PVD) | Shock Toughness | General: Roughing & interrupted cuts. |
Why Choose TaeguTec?
TaeguTec, as part of the IMC Group, leads the global market in metallurgical precision. The TT9080 grade is specifically developed to overcome the chemical and thermal challenges of high-alloy materials. When you choose the CNMG1906 series, you are selecting a tool built for high-volume material removal without sacrificing the edge integrity that CNC operators demand in high-stakes aerospace and industrial projects.
Verified Global Feedback
"Reliable for Large Shafts"
Turning 304 stainless shafts was a nightmare for tool life. The TT9080 holds up beautifully through the entire pass.
— Heavy Machining Corp (USA)"Aerospace Standard"
We use these for Inconel housings. The EM breaker controls chips perfectly at high feed rates. No built-up edge issues.
— Precision Aerospace Ltd (Germany)"Very Consistent"
Great predictability. Makes it easy to plan tool life in our automated lines. The 1.2 radius is very tough.
— Advanced Parts (Japan)Frequently Asked Questions
1. Is the EM breaker suitable for light finishing?
The EM (Medium-Duty) breaker is designed for medium to heavy turning. For very light finishing passes, consider EA or PC geometries.
2. Does this grade require coolant?
Yes. For Stainless and Super Alloys, high-pressure coolant is critical to flush chips and protect the sub-micron substrate from thermal shock.
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.
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.