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.
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.