TaeguTec CCMT060204MT TT8125 | CVD Turning Insert for Steel Machining
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TaeguTec CCMT060204MT TT8125
Premium CVD Versatile Grade for Optimized Steel Turning Operations
Product Overview
"Which insert grade provides the best balance of speed and durability when turning a wide variety of carbon and alloy steels?"
The TaeguTec CCMT060204MT TT8125 is an 80° rhombic insert designed for ISO P (Steel) applications. Featuring the state-of-the-art TT8125 CVD coating, this grade is engineered with a thick alumina layer that provides exceptional thermal protection and crater wear resistance. The MT chipbreaker (Medium Turning) is specifically tuned for steel, utilizing a positive rake angle to reduce cutting forces and a specialized land width that ensures stable chip breaking across a broad range of feed rates. Whether you are machining 1045 carbon steel or 4140 alloy steel, this insert delivers consistent dimensions and high-quality surface finishes.
Key Features
Thick, heat-resistant CVD coating allows for higher cutting speeds without compromising tool life.
Optimized for medium-duty steel turning, providing excellent evacuation of hot chips away from the workpiece.
The TT8125 grade is the most versatile steel grade, covering roughly 80% of standard steel machining tasks.
Technical Specifications
ISO Code Explanation: CCMT060204MT
80° Rhom.
7° Relief
Tolerance
Screw Fix
6.4mm L
2.38mm S
0.4mm Rad.
Chipbreaker
| Unit System | Designation | Inscribed Circle (IC) | Radius (RE) |
|---|---|---|---|
| Metric (ISO) | CCMT060204MT | 6.35 mm | 0.4 mm |
| Imperial (ANSI) | CCMT21.51MT | 0.250" | 0.016" |
Recommended Cutting Parameters
| Material Group | Cutting Speed (Vc) | Feed Rate (fn) |
|---|---|---|
| Carbon Steel (ISO P) | 180 - 350 m/min | 0.08 - 0.22 mm/rev |
| Alloy Steel (ISO P) | 150 - 280 m/min | 0.08 - 0.18 mm/rev |
Compatible Holders
This insert is precision-matched for SCLCR/L 06 external holders and S-SCLCR/L 06 boring bars.
Product Applications
- General turning of automotive steel drivetrain components.
- Precision boring of alloy steel valve bodies.
- Medium turning of structural steel fasteners and pins.
- High-efficiency machining of hydraulic cylinders and fittings.
TaeguTec Grade Benchmarking (Steel)
| Grade | Type | Performance Strategy |
|---|---|---|
| TT8125 (CVD) | General Purpose | Stability: Best for wide variety of steels. |
| TT8115 (CVD) | High Speed | Wear Resistance: Continuous finishing. |
Why Choose TaeguTec?
TaeguTec, as a member of the IMC Group, is a global leader in high-performance metallurgy. The TT8125 grade represents the pinnacle of versatile steel machining, utilizing advanced CVD technology to withstand high temperatures and prevent chemical wear. Choosing TaeguTec means utilizing South Korean precision engineering that focuses on maximizing your spindle uptime and reducing cost-per-part through extreme durability.
Verified Global Feedback
"Reliable daily driver"
We use TT8125 for 90% of our carbon steel jobs. It's predictable, stable, and holds tolerance across shifts.
— Manufacturing Corp (USA)"Top Performance"
Consistent results in 4140 steel. The MT chipbreaker works great even at lighter depths of cut.
— Precision Tools GmbH (Germany)"Buon rapporto qualità"
Excellent heat resistance. We increased our cutting speed by 15% without losing tool life.
— Officina Meccanica (Italy)Frequently Asked Questions
1. Is TT8125 suitable for Stainless Steel?
While it can cut stainless steel, it is optimized for ISO P (Steel). For stainless steel, we recommend the TT7015/TT7025 grades.
2. What is the benefit of CVD over PVD?
CVD coatings are thicker and provide better thermal protection, making them superior for high-speed continuous turning in 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.