TaeguTec DCMT11T304MT TT8125 | General Purpose Steel Turning Insert
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✓ Global Shipping: Delivery: generally 5–20 business days, depending on destination and shipping method.
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💰 Bulk savings 2-9 pcs · 6% OFF | 10+ pcs · 12% OFF
TaeguTec DCMT11T304MT TT8125
The Industrial Standard for Versatile Steel Turning: Optimized CVD Gold Grade
Product Overview
"Which insert is the most versatile for general steel turning, providing both edge toughness and high-speed wear resistance?"
The TaeguTec DCMT11T304MT TT8125 is the ultimate "All-Rounder" for ISO P (Steel) applications. The TT8125 grade features TaeguTec's signature CVD "Gold Grade" coating technology, offering superior resistance to flank wear and cratering while maintaining the core toughness required to handle slight interruptions. The MT (Medium Turning) chipbreaker is specifically engineered for stable performance across a wide feed range, preventing chip-related surface damage. With its 0.4mm corner radius, this insert is the professional choice for precision finishing and semi-finishing where dimensional accuracy is paramount.
Key Features
A thick CVD coating optimized for heat resistance, significantly extending tool life in high-temperature steel cutting.
Designed with a positive rake angle that reduces cutting forces while ensuring effective chip fragmentation in medium-duty turning.
The perfect compromise between the high-speed capability of TT8115 and the impact resistance of TT8135.
Technical Specifications
ISO Code Decoding: DCMT11T304MT
55° Rhom
7° Relief
Tolerance
Hole/Sint
9.525mm IC
3.97mm S
0.4mm RE
Med-Turn
| Unit System | Designation | I.C. Dimension | Radius |
|---|---|---|---|
| Metric (ISO) | DCMT11T304MT | 9.525 mm | 0.4 mm |
| Imperial (ANSI) | DCMT3(2.5)1MT | 0.375" | 0.016" |
Recommended Cutting Parameters
| Material Group | Speed (Vc) | Feed Rate (fn) |
|---|---|---|
| Carbon Steel (ISO P) | 150 - 380 m/min | 0.08 - 0.25 mm/rev |
| Alloy Steel (ISO P) | 120 - 300 m/min | 0.08 - 0.22 mm/rev |
Compatible Toolholders
This 11T3 DCMT insert is designed for standard holders such as SDJCR/L 11, SDNCN 11, and S-SDUCR/L 11 boring bars.
Product Applications
- General-purpose turning of carbon and low-alloy steels.
- Precision semi-finishing of industrial valves and fittings.
- Automotive component manufacturing requiring consistent Ra surface values.
- Reliable performance in CNC production with mild interrupted cuts.
TaeguTec Grade Comparison Benchmark
| Grade Name | Coating | Optimized For |
|---|---|---|
| TT8115 | CVD Gold | High-speed continuous turning. |
| TT8125 | CVD Gold | General Purpose: Best for varied steel shop tasks. |
Why Choose TaeguTec?
TaeguTec, as a premium global brand under the IMC Group, leads the industry in material science innovation. The TT8125 series is the result of years of research into multi-layered coating structures, providing CNC shops with a reliable "workhorse" insert that performs across diverse steel grades. By choosing the DCMT 11T3 series with the MT chipbreaker, you are investing in reduced downtime, superior surface quality, and the industrial-grade performance that TaeguTec is famous for worldwide.
Global Industry Feedback
"The Perfect All-Rounder"
We use TT8125 for 90% of our steel turning. Reliable in both low and high speeds. Very predictable tool life.
— Precision Works Inc. (USA)"Hervorragende Leistung"
The MT chipbreaker handles gummy steels and harder alloys with ease. Surface finish is top-notch.
— Scholz Maschinenbau (Germany)"Very Consistent"
A solid choice for job shops. Good thermal resistance during long finishing passes.
— Meccanica S.r.l (Italy)Frequently Asked Questions
1. Is the TT8125 suitable for Stainless Steel?
While it can handle some stainless, it is primarily optimized for Steel and Cast Iron. For optimal Stainless Steel results, use the TT9080 PVD grade.
2. How does the MT breaker compare to FG?
FG (Fine Geometry) is for light finishing. MT (Medium Turning) has a more reinforced edge, making it better for general semi-finishing applications.
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.