TaeguTec SOMT08T306DP TT8020 | High-Feed Carbide Milling Insert
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TaeguTec SOMT08T306DP TT8020
Mastering High-Feed Milling: PVD Performance for Stainless and Exotic Alloys
Product Overview
"Which milling insert is best for high-feed rates in 316 Stainless Steel while preventing thermal cracking and notch wear?"
The TaeguTec SOMT08T306DP TT8020 is engineered specifically for heat-resistant materials. The TT8020 grade features a specialized sub-micron substrate with an advanced PVD coating that excels in environments where heat dissipation is critical. Its DP (General Purpose) chipbreaker is designed with a reinforced edge and positive rake angle, which significantly reduces cutting resistance and vibration. This 08-size insert is the "heavy-hitter" of the high-feed series, providing the thickness and stability needed for aggressive ramping and large-volume metal removal in ISO M (Stainless) and ISO S (Titanium/Super Alloys).
Key Features
Superior thermal shock resistance prevents micro-chipping even under intense heat and wet milling conditions.
A reinforced cutting land provides high edge strength, making it ideal for large depth-of-cut high-feed roughing.
The 0.6mm corner radius ensures a perfect balance between surface finish and edge durability during aggressive feeds.
Technical Specifications
Code Breakdown: SOMT08T306-DP
Square
80° Angle
Tolerance
Hole Type
8.3mm Size
3.97mm T
0.6mm RE
| System | Designation | Inscribed Circle | Thickness |
|---|---|---|---|
| Metric | SOMT 08T306 DP | 8.30 mm | 3.97 mm |
| Imperial | SOMT 3(2.5)2 DP | 0.327" | 0.156" |
Recommended Cutting Parameters
| Material Group | Speed (Vc) | Feed per Tooth (fz) |
|---|---|---|
| Stainless Steel (M) | 100 - 180 m/min | 0.15 - 0.35 mm/t |
| Titanium/Inconel (S) | 30 - 60 m/min | 0.12 - 0.28 mm/t |
Compatible Milling Bodies
Precision matched for: TaeguTec ChaseFeed MFH 08 Series high-feed cutters.
Product Applications
- Heavy-duty roughing of stainless steel pump components and valves.
- Aerospace machining: rough milling of Titanium Grade 5 and Inconel 718.
- Face milling and plunging in oil & gas maritime alloys.
- High-feed pocketing in large mold and die components.
TaeguTec Grade Benchmarking
Optimized for thermal shock resistance in ISO M and S. Best for tough, gummy materials.
General purpose PVD for balanced performance in Stainless and Steel.
Why Choose TaeguTec?
TaeguTec's ChaseFeed series is world-renowned for defining the high-feed milling category. The SOMT08T306DP TT8020 is built for shops that demand extreme reliability in difficult-to-machine materials. By choosing TaeguTec, you are investing in an industrial legacy of precision that reduces your cost-per-part and optimizes your machine uptime. Our advanced PVD coatings ensure your tools stay in the cut longer, even in the most abrasive and heat-intensive conditions.
"Heat Resistance Champion" - We machine Inconel 718 daily. The TT8020 is the only grade that doesn't suffer from rapid notch wear.
— Aero-Parts Mfg (USA)Exzellente Standzeit bei rostfreiem Stahl. Die SOMT 08 Geometrie ist sehr laufruhig.
— Präzisionswerkzeuge (Germany)Ottima per la fresatura ad alto avanzamento di acciai inossidabili austenitici. Molto stabile.
— Meccanica Italiana (Italy)The productivity increase was immediate. Highly recommended for roughing cycles.
— Sato Engineering (Japan)Frequently Asked Questions
1. Is the SOMT 08 compatible with SOMT 06 cutters?
No, the 08 size is significantly larger and thicker. It requires dedicated **MFH 08** cutter bodies.
2. Should I use coolant with TT8020?
TT8020 is designed to handle thermal shock, making it excellent for wet milling. However, for Titanium, high-pressure through-spindle coolant is recommended.
Technical FAQ & Buying Guide
Absolutely. Our CNC carbide inserts (including CNMG, WNMG, DNMG, and APMT series) are manufactured strictly adhering to international ISO/ANSI specifications. A CNMG 120408 from OYYU BEYOND will flawlessly fit any standard turning tool holder or indexable tool from major global brands like Sandvik Coromant, Kennametal, Iscar, Walter, or SECO, providing a highly cost-effective premium alternative without sacrificing tolerance or tool life.
We offer optimized CVD and PVD multi-layer coatings for different ISO material groups:
- For Carbon/Alloy Steel (ISO P): Choose our thick multi-layer CVD coated grades (e.g., Al2O3 + TiN). They provide exceptional crater wear resistance and thermal barriers during high-speed dry or wet roughing.
- For Stainless Steel (ISO M): Choose our nano-structured PVD coated grades with sharp, positive chipbreakers (like -TM or -MA). This combination prevents work hardening and effectively controls sticky chips.
The optimal cutting parameters vary depending on the workpiece hardness and operation type:
- For General Steel Turnings: Recommended cutting speed ($V_c$) ranges from 150 to 280 m/min, with a feed rate ($f$) of 0.15 to 0.45 mm/rev.
- For Stainless Steel Finishing: Recommended cutting speed ($V_c$) is 120 to 200 m/min, with a feed rate ($f$) of 0.10 to 0.25 mm/rev.Always adjust parameters based on early wear patterns: increase $V_c$ if built-up edge occurs, or reduce $V_c$ if severe flank wear is observed.
Yes, we support machine shops, distributors, and global buyers with tiered wholesale pricing and competitive volume discounts. We also provide OEM custom manufacturing solutions for tool holders and carbide inserts based on your technical drawings. Contact our team to request a quick B2B quotation.
We provide secure worldwide express shipping (via DHL, FedEx, and UPS) with specialized, vibration-proof industrial packaging to ensure tools arrive in perfect condition. In-stock items are dispatched within 24-48 hours, while custom or bulk orders typically have a stable lead time of 15-25 days.
All our cutting tools and tool holders are manufactured strictly in accordance with ISO 9001 and international industrial standards. Every batch undergoes 100% rigorous quality control testing using high-precision optical measuring equipment to ensure reliable tool life and stable performance in continuous mass production.