TaeguTec CCMT120404PC TT8125 | Universal Steel Turning Insert
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TaeguTec CCMT120404PC TT8125
The Universal Steel Expert: High-Performance CVD Coating for Maximum Throughput
Product Overview
"Which insert grade offers the best heat resistance and tool life for finishing carbon and alloy steels in high-volume production?"
The TaeguTec CCMT120404PC TT8125 is a premium 80° rhombic positive insert specifically developed for ISO P (Steel) applications. Leveraging an advanced CVD (Chemical Vapor Deposition) coating, the TT8125 grade excels in high-speed continuous cutting environments where thermal management is critical. The PC (Precision Cutting) chipbreaker features a sharp rake angle and optimized geometry, making it the industry standard for light finishing to medium turning, providing exceptional chip control and reducing cutting pressure.
Key Features
A thick, multi-layer coating provides a superior thermal barrier, drastically extending tool life in high-speed steel turning.
Engineered for finishing, this geometry minimizes radial forces to prevent vibration in boring and thin-walled applications.
The combination of a tough carbide substrate and precision edge treatment ensures consistent tolerances across long production runs.
Technical Specifications
ISO Designation Breakdown: CCMT120404PC
80° Rhom.
7° Relief
Tolerance
Fixing
12.9mm L
4.76mm S
0.4mm Rad.
Chipbreaker
| Unit System | Designation | IC (Inscribed Circle) | Radius (RE) |
|---|---|---|---|
| Metric (ISO) | CCMT120404PC | 12.7 mm | 0.4 mm |
| Imperial (ANSI) | CCMT431PC | 0.500" | 0.016" |
Recommended Cutting Parameters
| Workpiece Material | Cutting Speed (Vc) | Feed Rate (fn) |
|---|---|---|
| Low Carbon Steel | 200 - 450 m/min | 0.08 - 0.25 mm/rev |
| Alloy Steel / Die Steel | 150 - 320 m/min | 0.08 - 0.18 mm/rev |
Compatible Toolholders
This insert is optimized for standard SCLCR/L 12 external holders and S-SCLCR/L 12 boring bars.
Product Applications
- High-speed finishing of transmission shafts and engine components.
- Precision boring operations where holding tight tolerances is critical.
- Turning of alloy steel machine parts requiring high surface Ra quality.
- Continuous machining in ISO P materials where tool heat management is essential for stability.
TaeguTec Grade Comparison
| Grade | Coating Type | Primary Advantage |
|---|---|---|
| TT8125 (CVD) | Al2O3 Multi-Layer | Universal Performance: High speed & heat resistance in steel. |
| CT3000 (Cermet) | Uncoated/PVD | Surface Aesthetics: Best for mirror-like finishing results. |
Why Choose TaeguTec?
TaeguTec, a member of the IMC Group, is a world-renowned leader in metallurgical innovation. The TT8125 grade is a testament to South Korean engineering, designed to reduce cost-per-part by maximizing machine uptime and extending tool life in abrasive steel environments. By choosing TaeguTec, you invest in high-precision technology that ensures consistent quality and superior throughput in your manufacturing facility.
Verified Global Feedback
"Excellent productivity"
We run these on alloy steel shafts at 350 m/min. The tool life is far better than our previous CVD grade. Highly predictable.
— Advanced Precision (USA)"Zuverlässige Qualität"
Very stable dimensions over long runs. The PC chipbreaker works perfectly even at small depths of cut.
— Metalltechnik GmbH (Germany)"Ottimo per acciaio"
A great all-rounder for ISO P. Surface finish is consistent and tool wear is very even.
— Meccanica di Precisione (Italy)Frequently Asked Questions
1. Is TT8125 suitable for interrupted cuts?
TT8125 has high toughness, but it is optimized for continuous or light-interrupted cuts. For heavy interruptions, a dedicated PVD grade is recommended.
2. What is the benefit of the PC chipbreaker?
The PC (Precision Finishing) geometry reduces cutting pressure, which is vital for maintaining accuracy in precision finishing and internal boring.
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.