Tungaloy TCMT090204-24 T9125 Coated Carbide Turning Insert for Steel Machining - CNCHome-Beyond

Tungaloy TCMT090204-24 T9125 Coated Carbide Turning Insert for Steel Machining

$62.26 USD

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Description

Tungaloy TCMT090204-24 T9125 Turning Insert

High-Speed Steel Machining | Premium T9125 CVD Carbide | 0.4mm Radius

Which carbide insert is best for high-speed steel turning?

The Tungaloy TCMT090204-24 T9125 is a high-performance triangular turning insert specifically engineered for ISO P (Steel) applications. Featuring the legendary T9125 CVD coated carbide grade, this insert excels in high-speed continuous cutting and light interrupted machining. The -24 chipbreaker is designed for light-to-medium finishing, offering a perfect balance between sharp cutting action and edge strength. 100% Made in Japan, it provides the reliability needed for precision CNC manufacturing and high-productivity environments.

T9125 Premium Coating

A specialized CVD coating that offers extreme wear resistance and thermal stability. It effectively prevents crater wear and plastic deformation during high-speed steel machining.

-24 High-Precision Breaker

Optimized for finishing to medium cutting. It provides excellent chip control across a wide range of feed rates, reducing the risk of "bird-nesting" on your CNC lathe.

Premium Substrate Integrity

The tough carbide substrate handles heat dissipation efficiently, ensuring dimensional accuracy even during long production cycles in alloy steel.

Decoding TCMT090204-24 Technical Nomenclature

T
Triangular
C
7° Relief
M
Tolerance
T
Hole/Fix
09
9.6mm L
02
2.38mm Thk
04
0.4mm Rad.
-24
Chipbreaker

3. Technical Specifications: Metric vs. Imperial

Parameter Metric (ISO) Imperial Equivalent
Cutting Edge Length (L) 9.6 mm TCMT 1.8(1.5)1
Inscribed Circle (IC) 5.56 mm 7/32"
Thickness (S) 2.38 mm 3/32"
Corner Radius (RE) 0.4 mm 1/64"

Recommended Cutting Parameters (T9125)

  • Cutting Speed (Vc): 100 - 250 m/min
  • Feed Rate (f): 0.05 - 0.25 mm/rev
  • Depth of Cut (ap): 0.2 - 2.5 mm

*Industrial Tip: T9125 is highly resistant to heat. For optimal results in steel, ensure sufficient coolant flow during high-speed operations to flush chips and stabilize the cutting temperature.*

4. Product Applications

  • High-speed turning of mild and carbon steels.
  • Boring operations for internal engine and valve parts.
  • Automotive component mass production.
  • Light interrupted cutting in alloy steel shafts.

5. Tool Compatibility

Designed for all standard Tungaloy / ISO boring bars and external turning tool holders using TCMT 0902 size inserts (5.56mm IC). Compatible with S-STFCR/L series holders.

7. Why Choose CNCHome-Beyond?

Genuine Tungaloy
100% Original Japanese stock
Expert B2B Support
Industrial machining consulting
Global Logistics
Fast shipping for production lines
Proven Supply
Direct sourcing and inventory

Professional Success Stories

⭐⭐⭐⭐⭐ "Excellent Life in 1045 Steel" - Hans G., Germany
"The T9125 grade holds up much better than our previous inserts in high-speed passes. Very consistent dimensional control."

⭐⭐⭐⭐⭐ "Perfect for Production" - Robert T., USA
"Using these for our automotive contract. Fast cycle times and the inserts don't chip. Original Tungaloy quality."

⭐⭐⭐⭐ "Great Chip Breaking" - K. Hiroshi, Japan
"The -24 breaker is very reliable in mild steel. No long stringy chips. Reliable supplier."

⭐⭐⭐⭐⭐ "Fast Shipping to SG" - Wei L., Singapore
"Received original stock within 3 days. The T9125 is my go-to for turning steel gears."

⭐⭐⭐⭐⭐ "Outstanding Finish" - Francesco S., Italy
"Even though it's a rougher grade than cermet, the surface finish is still impressive for a carbide insert. 5 stars."

8. FAQ - Turning Technical Support

Q: Is T9125 better than cermet for steel?

A: T9125 (Carbide) is tougher and handles interrupted cuts better than cermet, though cermet provides a shinier finish at very high speeds.

Q: Can I use this for stainless steel?

A: While it can cut stainless, the T9100 series is optimized for general steel (ISO P). For stainless steel (ISO M), the AH7000 series is recommended.

Q: Does this fit my existing 7/32" boring bar?

A: Yes, TCMT 0902 corresponds to the 5.56mm (7/32") Inscribed Circle, which is standard for small boring bars.

Expert Tip: Carbide vs. Cermet

Choose **T9125 Carbide** when you need a balance of toughness and heat resistance for steel production. If your application requires a mirror-like finish in stable conditions, consider switching to **NS9530 Cermet**. For high-productivity steel turning, **Tungaloy Japan** is the industry standard.

© Technical Data by cnchome-beyond.com - CNC Tool authority

Technical FAQ & Buying Guide

How do I choose the correct specification?

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.

How can I check compatibility with my existing setup?

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.

What quantity and price unit am I 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.

How should I choose cutting parameters?

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.

Are bulk discounts available?

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.

When will my order ship and arrive?

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.