TaeguTec CCMT09T304FG TT8125 | PVD Carbide Insert for Stainless Steel
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TaeguTec CCMT09T304FG TT8125
High-Stability PVD Coated Grade for Precision Stainless Steel Finishing
Product Overview
"Which insert is most reliable for high-precision finishing on gummy 304 or 316 stainless steel without sacrificing tool life?"
The TaeguTec CCMT09T304FG TT8125 is a premium 80° rhombic turning insert engineered specifically for ISO M (Stainless Steel) and ISO P (Steel) finishing operations. Utilizing the TT8125 PVD-coated carbide grade, it combines a high-toughness sub-micron substrate with an ultra-smooth coating to resist built-up edge (BUE) and thermal cracking. The FG chipbreaker (Finishing Geometry) features a sharp rake angle and optimized land width, ensuring exceptional chip evacuation at shallow depths of cut and delivering a superior surface finish on challenging alloys.
Key Features
Optimized for stainless steel stability, providing a perfect balance of hardness and edge toughness to prevent chipping.
Precision-ground geometry breaks chips efficiently even at low feed rates, preventing workpiece scratching.
Advanced coating technology protects the cutting edge from the high thermal loads typical of ISO M materials.
Technical Specifications
ISO Code Explanation: CCMT09T304FG
80° Rhom.
7° Relief
Tolerance
Hole/Sint.
9.7mm L
3.97mm S
0.4mm Rad.
Finishing G
| Unit System | Model Number | IC (Inscribed Circle) | Thickness (S) |
|---|---|---|---|
| Metric (ISO) | CCMT09T304FG | 9.525 mm | 3.97 mm |
| Imperial (ANSI) | CCMT32.51FG | 0.375" | 0.156" |
Recommended Cutting Parameters
| Material | Cutting Speed (Vc) | Feed Rate (fn) |
|---|---|---|
| Stainless Steel (M) | 110 - 240 m/min | 0.05 - 0.18 mm/rev |
| Alloy Steel (P) | 140 - 280 m/min | 0.05 - 0.20 mm/rev |
Compatible Holders
This insert fits all standard SCLCR/L 09 external turning holders and S-SCLCR/L 09 internal boring bars.
Product Applications
- Precision finishing of medical-grade stainless steel implants.
- Finishing passes on pump shafts and hydraulic components in 316 stainless.
- High-quality boring operations on small-diameter alloy steel bushings.
- Ideal for high-mix job shops requiring a stable finishing tool for diverse materials.
TaeguTec Grade Comparison
| Grade | Coating | Benefit |
|---|---|---|
| TT8125 (PVD) | TiAlN/TiN | Stability: Best for dedicated Stainless Steel finishing. |
| TT9080 (PVD) | Multi-layer PVD | Universal: Good for Steel, Stainless, and Exotics. |
Why Choose TaeguTec?
TaeguTec, as part of the IMC Group, is a global leader in CNC tool engineering. The TT8125 grade represents a specialized solution for workshops where quality and predictability are non-negotiable. By choosing TaeguTec, you invest in South Korean manufacturing excellence, ensuring lower scrap rates and significantly higher machine uptime.
Verified Global Feedback
"Exceptional on 316L"
We switched to TT8125 for our stainless valve parts. The surface finish is consistently excellent and tool changes are halved.
— Precision Components (USA)"Hervorragende Qualität"
Very stable dimensions across large batches. The FG chipbreaker prevents all bird-nesting issues on the lathe.
— Metallbau AG (Germany)"Dependable Performance"
A solid finishing tool for our job shop. Reliable across several types of alloy steels as well.
— Meccanica S.R.L. (Italy)Frequently Asked Questions
1. Is TT8125 suitable for interrupted cuts?
TT8125 is a tough PVD grade that handles light interruptions well, but it is primarily optimized for high-stability finishing.
2. Can I use this on Aluminum?
No, for Aluminum we recommend uncoated or DLC-coated "AL" geometry inserts to prevent material adhesion.
Technical FAQ & Buying Guide
Absolutely. Our CNC carbide inserts (including CNMG, WNMG, DNMG, and APMT series) are manufactured strictly adhering to international ISO/ANSI specifications. A CNMG 120408 from OYYU BEYOND will flawlessly fit any standard turning tool holder or indexable tool from major global brands like Sandvik Coromant, Kennametal, Iscar, Walter, or SECO, providing a highly cost-effective premium alternative without sacrificing tolerance or tool life.
We offer optimized CVD and PVD multi-layer coatings for different ISO material groups:
- For Carbon/Alloy Steel (ISO P): Choose our thick multi-layer CVD coated grades (e.g., Al2O3 + TiN). They provide exceptional crater wear resistance and thermal barriers during high-speed dry or wet roughing.
- For Stainless Steel (ISO M): Choose our nano-structured PVD coated grades with sharp, positive chipbreakers (like -TM or -MA). This combination prevents work hardening and effectively controls sticky chips.
The optimal cutting parameters vary depending on the workpiece hardness and operation type:
- For General Steel Turnings: Recommended cutting speed ($V_c$) ranges from 150 to 280 m/min, with a feed rate ($f$) of 0.15 to 0.45 mm/rev.
- For Stainless Steel Finishing: Recommended cutting speed ($V_c$) is 120 to 200 m/min, with a feed rate ($f$) of 0.10 to 0.25 mm/rev.Always adjust parameters based on early wear patterns: increase $V_c$ if built-up edge occurs, or reduce $V_c$ if severe flank wear is observed.
Yes, we support machine shops, distributors, and global buyers with tiered wholesale pricing and competitive volume discounts. We also provide OEM custom manufacturing solutions for tool holders and carbide inserts based on your technical drawings. Contact our team to request a quick B2B quotation.
We provide secure worldwide express shipping (via DHL, FedEx, and UPS) with specialized, vibration-proof industrial packaging to ensure tools arrive in perfect condition. In-stock items are dispatched within 24-48 hours, while custom or bulk orders typically have a stable lead time of 15-25 days.
All our cutting tools and tool holders are manufactured strictly in accordance with ISO 9001 and international industrial standards. Every batch undergoes 100% rigorous quality control testing using high-precision optical measuring equipment to ensure reliable tool life and stable performance in continuous mass production.