Taegutec TCMT090204MT TT8125 Carbide Insert for CNC Turning (10pcs)
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TaeguTec TCMT090204MT TT8125
Precision Steel Versatility: Engineered for High-Speed Finishing and Stable Medium Machining
Product Overview
"Balance productivity and precision with the MT chipbreaker—designed to handle variable depths of cut in carbon and alloy steels."
The TaeguTec TCMT090204MT TT8125 is a 9mm triangular turning insert optimized for Steel (ISO P) applications. The TT8125 grade is a premium PVD-coated carbide featuring enhanced thermal stability, making it ideal for higher cutting speeds compared to traditional PVD grades. The MT chipbreaker is TaeguTec's "Medium Turning" specialist, offering a positive rake angle that reduces cutting forces while maintaining excellent chip control across a wide range of feed rates. This 0.4mm corner radius version is particularly effective for high-precision finishing and thin-walled components where vibration must be minimized.
Core Advantages
A multi-layered coating that resists crater wear and plastic deformation, allowing for consistent performance in high-temp steel machining.
Optimized land design ensures reliable chip breaking even at lower depths of cut, preventing long-stringer tangles.
Perfect for tight dimensional tolerances and achieving superior surface finishes in finishing operations.
Technical Specifications
ISO Designation Decoding: TCMT 090204 MT
Triangle
7° Relief
Tol. Class M
W/ Hole
9.6mm L
2.38mm T
0.4mm RE
| Standard | Model | Side Length (L) | Thickness (S) |
|---|---|---|---|
| Metric | TCMT 090204 MT | 9.60 mm | 2.38 mm |
| Imperial | TCMT 1.8(1.5)1 MT | 0.378" | 0.094" |
Recommended Cutting Parameters (TT8125)
| Material Group | Vc (m/min) | ap (mm) |
|---|---|---|
| Carbon Steel (Low/Medium) | 150 - 320 | 0.50 - 2.50 |
| Alloy Steel / Tool Steel | 100 - 250 | 0.50 - 2.00 |
Compatible Turning Holders
This insert is precision-matched for TCMT 09 size external tool holders and boring bars.
Industrial Applications
- High-precision finishing of automotive steel shafts and axles.
- Internal boring of small-diameter steel cylinders.
- General turning of carbon steel hardware and mechanical fasteners.
- Machining of alloy steel components where thermal stability is critical.
Selection Guide
Selected here. Optimized for ISO P (Steel). Best-in-class wear resistance for high-productivity turning.
The choice for ultra-high-speed continuous steel turning where edge toughness is secondary to wear resistance.
Frequently Asked Questions
1. Can I use the MT chipbreaker for finishing?
Absolutely. While designated as "Medium," the MT geometry performs exceptionally well in finishing operations on steel, especially when paired with the 0.4mm radius to provide clean surface textures.
2. How does TT8125 handle heat compared to standard PVD?
TT8125 is engineered with higher thermal resistance, allowing it to maintain edge hardness at temperatures that would cause standard PVD coatings to soften and fail prematurely.
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.