TaeguTec DCMT11T304PC TT8125 | CVD Carbide Steel Turning Insert
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💰 Bulk savings 2-9 pcs · 6% OFF | 10+ pcs · 12% OFF
TaeguTec DCMT11T304PC TT8125
Versatile CVD Excellence: The Industrial Standard for Reliable Steel Turning
Product Overview
"Which insert is most suitable for stable, high-quality finishing of carbon steel while maintaining a long, predictable tool life?"
The TaeguTec DCMT11T304PC TT8125 is a professional-grade CVD-coated carbide insert optimized for ISO P (Steel) materials. The TT8125 grade is engineered to balance toughness and hardness, featuring a multi-layered coating that resists thermal deformation and edge wear across a wide range of cutting speeds. The PC (Precision-Chip) chipbreaker is specifically designed for finishing operations, utilizing a sharp cutting edge that minimizes tool pressure and ensures excellent chip breaking even at low feed rates. With a 0.4mm corner radius, this insert is the primary choice for achieving high dimensional accuracy and superior Ra values in precision turning.
Key Features
A highly versatile grade that provides stable performance in both continuous and slightly interrupted steel turning applications.
Optimized geometry for finishing, reducing friction and preventing work hardening for a high-gloss surface finish.
Advanced surface treatment prevents coating delamination, ensuring consistent precision over extended production cycles.
Technical Specifications
ISO Code Decoding: DCMT11T304PC
55° Rhom
7° Relief
Tolerance
Hole/Sint
9.525mm IC
3.97mm S
0.4mm RE
Finishing
| Unit System | Designation | I.C. Dimension | Radius |
|---|---|---|---|
| Metric (ISO) | DCMT11T304PC | 9.525 mm | 0.4 mm |
| Imperial (ANSI) | DCMT3(2.5)1PC | 0.375" | 0.016" |
Recommended Cutting Parameters
| Material Group | Speed (Vc) | Feed Rate (fn) |
|---|---|---|
| Carbon Steel (ISO P) | 150 - 350 m/min | 0.05 - 0.15 mm/rev |
| Alloy Steel (ISO P) | 120 - 280 m/min | 0.05 - 0.12 mm/rev |
Compatible Toolholders
This 11T3 series insert is perfectly compatible with standard holders and boring bars including SDJCR/L 11 and S-SDUCR/L 11.
Product Applications
- Finishing passes on carbon and low-alloy steel shafts.
- Precision turning of steel components in the automotive and general machinery sectors.
- Fine boring operations where excellent chip control is required to protect surface finish.
- Stable machining in small-to-medium batch production.
TaeguTec Grade Comparison
| Grade Name | Coating Type | Primary Application |
|---|---|---|
| TT8125 | CVD Coated | The Generalist: Balanced toughness/wear for steel. |
| TT9225 | CVD Gold | The Finisher: High-speed wear resistance. |
Why Choose TaeguTec?
As a global leader in metalworking solutions, TaeguTec is synonymous with precision and efficiency. The TT8125 grade represents the ultimate reliability in steel turning, providing a stable foundation for a wide range of cutting conditions. By integrating advanced CVD technology with the precision-ground PC chipbreaker, TaeguTec enables CNC operators to achieve exceptional surface Ra values and dimensional accuracy. For shops that demand a high-performance, versatile insert that reduces downtime, TaeguTec DCMT 11T3 with TT8125 is the industrial standard.
Global Industry Feedback
"Reliable and Stable"
We use TT8125 for 1045 steel shafts. The tool life is incredibly consistent, allowing us to plan production accurately.
— Precision CNC Works (USA)"Sehr Gut"
Outstanding performance on alloy steel. The PC breaker ensures clean chips and a beautiful finish.
— Maschinenbau Müller (Germany)"Consistency is Key"
A very solid 'all-rounder'. It handles small interruptions well while still providing a great Ra finish.
— Officina Meccanica (Italy)Frequently Asked Questions
1. Is TT8125 better than PVD grades for steel?
CVD grades like TT8125 generally offer better heat resistance and tool life in dry or high-speed steel turning compared to PVD grades.
2. How does the PC breaker perform at low feed rates?
The PC (Precision-Chip) breaker is designed specifically for finishing, meaning it excels at breaking chips at feed rates as low as 0.05 mm/rev.
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.