Taegutec TCMT16T308MT TT8125 Carbide Insert for CNC Turning (10pcs)
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TaeguTec TCMT16T308MT TT8125
The Heavy-Duty Productivity Standard: Maximum Edge Strength for Aggressive Steel Turning
Product Overview
"Combine the thermal stability of the TT8125 grade with the mechanical strength of a 0.8mm radius for high-feed steel machining."
The TaeguTec TCMT16T308MT TT8125 is a high-performance 16mm triangular turning insert optimized for Steel (ISO P). This model is engineered for those who require more durability than the finishing-oriented 0.4mm version. The 0.8mm corner radius provides a significant boost to edge strength, allowing for heavier feed rates and deeper cuts in carbon and alloy steels. The TT8125 PVD-coated grade offers industry-leading heat resistance, ensuring the cutting edge remains sharp even during high-velocity dry machining or high-pressure coolant applications. Coupled with the MT (Medium Turning) chipbreaker, it delivers reliable chip control across a massive application range.
Core Advantages
A multi-layered PVD coating designed to combat crater wear and plastic deformation in high-speed steel turning.
Reinforced radius that allows for higher feed rates (fn) and provides better resistance to chipping in interrupted cuts.
The large 16mm format ensures maximum contact area in the pocket, reducing tool vibration during heavy-duty internal or external turning.
Technical Specifications
ISO Designation Decoding: TCMT 16T308 MT
Triangle
7° Relief
Tol. Class M
W/ Hole
16.5mm L
3.97mm T
0.8mm RE
| Standard | Model | Side Length (L) | Thickness (S) |
|---|---|---|---|
| Metric | TCMT 16T308 MT | 16.50 mm | 3.97 mm |
| Imperial | TCMT 32.52 MT | 0.650" | 0.156" |
Recommended Cutting Parameters (TT8125)
| Material Group | Vc (m/min) | fn (mm/rev) |
|---|---|---|
| Carbon Steel (P) | 180 - 350 | 0.15 - 0.40 |
| Alloy Steel / Hardened Steel | 120 - 260 | 0.12 - 0.35 |
Compatible Tool Holders
This insert is precision-matched for TCMT 16 size external turning tool holders and heavy-duty boring bars.
Industrial Applications
- Medium to rough turning of large diameter steel shafts and pipes.
- Machining of alloy steel forgings in automotive and energy sectors.
- High-speed boring operations in heavy-walled steel components.
- Universal steel machining where setup rigidity is high and productivity is the priority.
The TT8125 Edge
Selected here. Harder PVD coating specifically for ISO P. Maximum wear resistance for high-speed automated production.
The preferred choice for severe interruptions or machines with lower spindle rigidity.
Frequently Asked Questions
1. Should I use the 0.8mm radius for all medium turning?
The 0.8mm radius (this insert) is superior for tool life and edge strength. Use it unless you have a specific requirement for a 0.4mm radius (like thin-walled parts or very tight corner profiles) or are experiencing chatter due to high cutting forces.
2. Can this grade run dry?
Yes. The TT8125 grade is engineered with excellent thermal stability, making it highly capable in dry turning applications for steel, which often helps in managing chip evacuation and preventing thermal cracking.
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.