TaeguTec CCMT120408PC TT9225 | Carbide Turning Insert for Steel
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TaeguTec CCMT120408PC TT9225
High-Speed Productivity: The Ultimate CVD Specialist for Steel & Stainless
Product Overview
"Which carbide insert grade provides the longest tool life for high-speed continuous turning of alloy steels and stainless steel?"
The TaeguTec CCMT120408PC TT9225 is a premium 80° rhombic turning insert designed for ISO P (Steel) and ISO M (Stainless Steel) applications. Featuring the state-of-the-art TT9225 CVD coating, this grade acts as a superior thermal barrier, resisting crater wear even at elevated cutting speeds. The PC (Precision Cutting) chipbreaker is engineered with a sharp rake angle and positive geometry, which facilitates smooth chip flow and reduces cutting pressure. Combined with a robust 0.8mm corner radius, this insert delivers the perfect balance of edge strength and high-quality surface Ra.
Key Features
Thick Al2O3 layer provides exceptional heat resistance for high-velocity dry or wet machining.
Sharp cutting edge reduces radial forces, making it ideal for thin-walled parts and boring bars.
Offers significantly higher edge stability and feed rate capability compared to 0.4mm variants.
Technical Specifications
ISO Code Decoding: CCMT120408PC
80° Rhom.
7° Relief
Tolerance
Screw Fix
12.9mm L
4.76mm S
0.8mm Rad.
Chipbreaker
| Unit System | Designation | I.C. | Corner Radius |
|---|---|---|---|
| Metric (ISO) | CCMT120408PC | 12.7 mm | 0.8 mm |
| Imperial (ANSI) | CCMT432PC | 0.500" | 0.031" |
Recommended Cutting Parameters
| Workpiece Material | Cutting Speed (Vc) | Feed Rate (fn) |
|---|---|---|
| Carbon/Alloy Steel | 180 - 350 m/min | 0.10 - 0.25 mm/rev |
| Stainless Steel (304/316) | 120 - 250 m/min | 0.08 - 0.20 mm/rev |
Compatible Holders
Optimized for standard SCLCR/L 12 external turning tools and S-SCLCR/L 12 internal boring bars.
Product Applications
- High-speed finishing and light-medium turning of 4140/4340 alloy steels.
- Precision boring of stainless steel valve bodies and fittings.
- Production machining of carbon steel shafts and precision pins.
- Automotive component manufacturing requiring consistent dimensional accuracy.
TaeguTec Grade Benchmarking
| Grade Name | Coating | Application Focus |
|---|---|---|
| TT9225 (CVD) | Thick Multi-Layer | Primary Choice: High-speed steel turning. |
| TT9080 (PVD) | Sub-micron PVD | Stainless/Exotics: Toughness & toughness. |
Why Choose TaeguTec?
TaeguTec, a premier member of the IMC Group, is a global leader in high-performance metallurgy. The TT9225 grade represents a technological leap in CVD coating, designed to minimize cycle times and maximize spindle uptime. By utilizing TaeguTec products, you invest in precision-engineered tools that guarantee consistent surface finishes and lower your overall cost-per-part in high-precision manufacturing.
Verified Global Feedback
"Superior Finish on 4140"
Replaced my previous CVD grade with TT9225. I was able to increase the feed by 15% while keeping a mirror finish.
— Precision Machining (USA)"Top Tier Grade"
The PC chipbreaker works perfectly on fine chips. Zero vibration even with 4x diameter boring depths.
— Maschinenbau West (Germany)"Very Stable on SS"
Using these for high-volume automotive parts. Heat resistance is top-notch. Very consistent life.
— AeroSpace Tech (Italy)Frequently Asked Questions
1. Is TT9225 better than PVD grades for interrupted cuts?
For heavy interrupted cuts, a PVD grade like TT9080 is often tougher. TT9225 is optimized for higher speeds and thermal stability in continuous turning.
2. Can I use this for high-temp alloys?
While it can handle them, TT9080 is generally preferred for Inconel and Titanium due to higher sharpness and chemical stability.
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.