TaeguTec SCMT09T308-FG TT8020 | Square PVD Finishing Insert
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TaeguTec SCMT09T308-FG TT8020
The Industrial Choice for Precision Stainless & Super Alloy Finishing
Product Overview
"Which CNC insert is most reliable for achieving high-definition surface finishes on 316L Stainless and Titanium while preventing notch wear?"
The TaeguTec SCMT09T308-FG TT8020 is engineered to answer that specific challenge. It targets ISO M (Stainless) and ISO S (HRSA) workpieces. The TT8020 grade is a sub-micron carbide substrate with a specialized PVD coating that maintains edge sharpness while resisting thermal cracking. The FG (Fine Geometry) chipbreaker is the key to its success: it features a high rake angle and sharp edge to "shear" rather than "tear" gummy materials, ensuring that even at depths of cut as low as 0.5mm, chips are broken into manageable curls to protect your surface Ra values.
Key Features
A dense, heat-resistant PVD layer that excels in high-heat zones, preventing notch wear in stainless steel.
Tailored for light finishing. Reduces radial cutting forces, ideal for maintaining tolerances on slender shafts.
Provides the high transverse rupture strength needed for high-pressure finishing passes.
Technical Specifications
ISO Code Decoding: SCMT09T308-FG
Square 90°
7° Relief
Tolerance
Hole/Sint
9.52mm IC
3.97mm S
0.8mm RE
Fine Fin.
| Unit System | Designation | I.C. (Inscribed Circle) | Thickness (S) |
|---|---|---|---|
| Metric (ISO) | SCMT09T308-FG | 9.52 mm | 3.97 mm |
| Imperial (ANSI) | SCMT32.52-FG | 0.375" | 0.156" |
Recommended Cutting Parameters
| Material Group | Speed (Vc) | Feed Rate (fn) |
|---|---|---|
| Stainless Steel (ISO M) | 80 - 180 m/min | 0.05 - 0.20 mm/rev |
| Super Alloys (ISO S) | 25 - 60 m/min | 0.08 - 0.15 mm/rev |
Compatible Toolholders
This SCMT 09 series insert fits standard 90° square positive holders. Compatible with SSKCR/L 09 and SCKCR/L 09 shank tools.
Product Applications
- Aerospace fasteners and valves in Inconel or Titanium.
- Medical grade Stainless Steel (316LVM) surgical components.
- Finishing passes on automotive fuel injection parts.
- Internal boring where chip wrapping must be avoided.
Why Choose TaeguTec?
TaeguTec is a global pioneer in metalworking technology. The SCMT09T308-FG TT8020 is built on decades of research into exotic materials. While many brands struggle with the heat generated by Titanium and Inconel, our TT8020 grade utilizes a proprietary nanostructured PVD coating that acts as a thermal shield. The FG chipbreaker geometry is specifically designed to work with low feed rates, ensuring that you never have to deal with "stringy" chips that ruin parts or destroy tools. Choose TaeguTec for predictable tool life and world-class surface Ra quality.
Verified Global Feedback
"Best for Stainless"
Finally found an insert that doesn't produce bird-nesting chips on 304 stainless. The finish is mirror-like.
— Precision MedTech (USA)"Top Performance in Inconel"
Using this for finishing aerospace valves. The TT8020 grade resists notch wear remarkably well.
— AeroMachining GmbH (Germany)"Grande finitura"
The FG chipbreaker is excellent for light passes. Very stable dimensions over long runs.
— Officina Meccanica (Italy)"Sharp and Reliable"
Very sharp edge, great for Titanium. A bit more expensive but worth it for the finish quality.
— Sato Precision (Japan)Frequently Asked Questions
1. What is the difference between FG and PC chipbreakers?
FG is a "Fine Geometry" designed for shallower depths of cut and lower feed rates compared to the PC (Precision) chipbreaker.
2. Is TT8020 better than TT5080?
TT8020 offers higher toughness and notch wear resistance, making it superior for work-hardening materials like Inconel and Stainless Steel.