TaeguTec CCMT09T304MT TT8125 | CVD Turning Insert for Steel Machining
✓ In Stock & Fast Dispatch: Order processing: typically 1–3 business days after confirmation.
✓ Global Shipping: Delivery: generally 5–20 business days, depending on destination and shipping method.
✓ Guaranteed Quality: Check model, dimensions and compatibility before ordering. | Direct Factory Outlet
✓ Technical Support: Need grade selection help? Contact Engineer
💰 Bulk savings 2-9 pcs · 6% OFF | 10+ pcs · 12% OFF
TaeguTec CCMT09T304MT TT8125
High-Performance CVD Grade for Versatile Steel Turning Operations
Product Overview
"Which insert grade is most reliable for high-speed medium turning in carbon and alloy steels across various machine conditions?"
The TaeguTec CCMT09T304MT TT8125 is the industry-standard 80° rhombic insert for ISO P (Steel) machining. Leveraging TaeguTec's advanced TT8125 CVD coating technology, this insert features a thick alumina layer that acts as a thermal barrier, allowing for aggressive cutting speeds while maintaining exceptional crater wear resistance. The MT chipbreaker (Medium Turning) is engineered with a positive rake angle and a robust land design to ensure predictable chip evacuation in gummy steels while preventing edge chipping in slightly interrupted cuts.
Key Features
Superior heat resistance allows for higher surface speeds (Vc) without compromising tool life.
Optimized for medium-duty applications, providing a stable cutting edge and excellent surface finish.
Excellent stability in both continuous and light-interrupted cuts in various steel alloys.
Technical Specifications
ISO Code Explanation: CCMT09T304MT
80° Rhom.
7° Relief
Tolerance
Screw Fix
9.7mm L
3.97mm S
0.4mm Rad.
Chipbreaker
| Unit System | Designation | IC (Inscribed Circle) | Thickness (S) |
|---|---|---|---|
| Metric (ISO) | CCMT09T304MT | 9.525 mm | 3.97 mm |
| Imperial (ANSI) | CCMT32.51MT | 0.375" | 0.156" |
Recommended Cutting Parameters
| Material Group | Cutting Speed (Vc) | Feed Rate (fn) |
|---|---|---|
| Carbon Steel (ISO P) | 180 - 360 m/min | 0.08 - 0.20 mm/rev |
| Alloy Steel (ISO P) | 150 - 280 m/min | 0.08 - 0.18 mm/rev |
Compatible Toolholders
This insert is precision-matched for SCLCR/L 09 external toolholders and S-SCLCR/L 09 boring bars.
Product Applications
- High-speed medium turning of automotive drivetrain components.
- Precision boring of alloy steel housings and hydraulic fittings.
- Machining of structural steel pins and fasteners in mass production.
- General job-shop work involving mixed steel grades (1018, 1045, 4140).
TaeguTec Grade Comparison (Steel)
| Grade | Coating | Primary Performance |
|---|---|---|
| TT8125 (CVD) | CVD Multilayer | Versatility: First choice for general steel. |
| TT8115 (CVD) | CVD Al2O3 | Speed: Best for high-speed continuous work. |
Why Choose TaeguTec?
TaeguTec, as a member of the IMC Group, leads the industry in solving metal-cutting challenges through high-performance metallurgy. The TT8125 grade was developed to maximize productivity in modern CNC machining centers. By combining a heat-resistant CVD coating with a toughness-optimized substrate, TaeguTec ensures that your spindle remains active longer, significantly reducing your cost-per-part in steel turning applications.
Verified Global Feedback
"Reliable and stable"
We use TT8125 for all our alloy steel parts. The wear is very predictable, which makes our lights-out machining much safer.
— Precision Lathe (USA)"Top Performance"
Outstanding chip control in 4140. The MT breaker really handles the chips well at higher feeds.
— Werkzeugbau GmbH (Germany)"Ottima per Acciaio"
Excellent heat resistance. We increased our cutting speed by 20% and tool life remained stable.
— Meccanica di Precisione (Italy)Frequently Asked Questions
1. Is TT8125 suitable for Stainless Steel?
While it can cut stainless steel in a pinch, it is optimized for ISO P (Steel). For stainless steel, we recommend the TT7015/TT7025 grades.
2. What is the benefit of the MT chipbreaker?
The MT breaker is designed for medium turning. It balances edge strength with chip-breaking efficiency, making it the most versatile geometry for general turning.
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.