TaeguTec SNMG120412-MT TT8115 | High-Speed 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 SNMG120412-MT TT8115
High-Speed Performance: Precision CVD Coating for Advanced Steel Machining
Product Overview
"Which CNC insert is most effective for high-speed continuous turning of carbon and alloy steels while maintaining a robust edge against thermal deformation?"
The TaeguTec SNMG120412-MT TT8115 is the industrial answer to high-productivity steel turning. It features the TT8115 grade, a specialized CVD-coated carbide that utilizes a high-hardness substrate and a thick Al2O3 layer to resist crater wear at extreme temperatures. The MT (Medium-Tolerance) chipbreaker offers a wide application range, effectively managing chips from light to medium depths of cut. Equipped with a 1.2mm nose radius, this insert provides superior edge strength, making it ideal for high feed rates and achieving stable tool life in automated production environments.
Key Features
Engineered for high-speed continuous cutting in steel, offering industry-leading resistance to plastic deformation.
A versatile medium-cutting geometry that ensures excellent chip breaking and reduces cutting forces.
Provides a massive carbide cross-section at the tip, allowing for higher feed rates and improved surface finishes at high MRR.
Technical Specifications
ISO Code Decoding: SNMG120412-MT
Square
0° Relief
Tolerance
MT-Chip
12.7mm IC
4.76mm T
1.2mm RE
| Unit System | ISO Designation | I.C. Size | ANSI Model |
|---|---|---|---|
| Metric | SNMG120412-MT | 12.70 mm | SNMG 433 MT |
| Imperial | SNMG 433 MT | 0.500" | SNMG 433 |
Recommended Cutting Parameters
| Steel Material | Speed (Vc) | Feed Rate (fn) |
|---|---|---|
| Carbon Steel (Finish-Med) | 250 - 450 m/min | 0.20 - 0.50 mm/rev |
| Alloy Steel (Med Turning) | 200 - 350 m/min | 0.25 - 0.55 mm/rev |
Compatible Toolholders
This insert requires high clamping force for high-speed stability. Optimized for: DSBNR/L 2525 M12, MSSNR/L 2525 M12, and PSSNR/L 2525 M12 external tools.
Product Applications
- High-speed continuous turning of automotive engine components.
- Machining of large steel shafts and rollers in stable conditions.
- Mass production of steel parts where cycle time reduction is a priority.
- Medium-to-heavy turning of low-carbon and alloy steels.
Why Choose TaeguTec?
TaeguTec is the global benchmark for high-velocity metalworking. The SNMG120412-MT TT8115 represents the peak of thermal stability. While other inserts soften and deform at the high temperatures generated by rapid cutting speeds, our TT8115 grade remains sharp and rigid. This predictability allows CNC operators to push their machines to the limit, reducing cost-per-part and maximizing profit. When you choose TaeguTec, you invest in a tool that turns faster, lasts longer, and delivers unmatched precision.
Verified Global Feedback
"Speed King"
We increased our Vc to 400 m/min on carbon steel with zero edge deformation. Best high-speed grade we've used.
— Precision Component Mfg (USA)"Hervorragende Verschleißfestigkeit"
Excellent crater wear resistance. The 1.2 radius is very stable for our automated medium turning shifts.
— Schmidt Zerspanungstechnik (Germany)"Stabilità incredibile"
Consistent finish over 200 parts. The TT8115 grade is perfect for our high-volume steel orders.
— Meccanica Lombarda (Italy)"Reliable for Continuous Cuts"
Reduced our cycle time by 15%. Handles the heat perfectly. Just avoid heavy interruptions.
— Tanaka Heavy Industries (Japan)Frequently Asked Questions
1. When should I choose TT8115 over TT8125?
Choose TT8115 for high-speed continuous cutting where wear resistance is priority. Choose TT8125 if you have interrupted cuts or unstable conditions requiring more toughness.
2. Is the 1.2mm radius too large for finish turning?
The 1.2mm radius is best for medium-to-heavy passes. For fine finishing at low feed rates, consider the 0.4mm or 0.8mm radius options to avoid vibration.
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.