Tungaloy DNMG150412-TM T9115 CVD Coated Carbide Turning Insert for Steel

Tungaloy DNMG150412-TM T9115 CVD Coated Carbide Turning Insert for Steel

$88.31 USD

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Description

Tungaloy DNMG150412-TM T9115 Turning Insert

Maximum Edge Strength | Premium T9115 CVD Grade | Made in Japan

What is the most durable insert for heavy-duty steel turning?

The Tungaloy DNMG150412-TM T9115 is a high-performance CVD coated carbide turning insert engineered for high-speed, heavy-duty machining of carbon and alloy steels. Utilizing the industry-leading T9115 grade, this insert features a thick alumina layer that serves as a superior thermal shield, preventing heat-induced deformation at high cutting speeds. The 1.2mm corner radius provides the ultimate edge strength, making it ideal for high-feed rates and challenging skin cuts on steel workpieces. Equipped with the -TM chipbreaker, it offers exceptional chip control across a wide range of medium cutting applications. This Japan-made indexable turning tool is the professional CNC machining solution for those requiring long tool life and maximum metal removal rates. Incorporating this long-tail keywords optimized insert into your production line will drastically improve throughput and stability.

Decoding the DNMG150412-TM Technical Nomenclature

D
55° Rhombic
N
0° Clearance
M
M-Tolerance
G
Double Sided
15
15.5mm Edge
04
4.76mm Thick
12
1.2mm Radius
-TM
Semi-Finish

Technical Specs: Metric vs. Imperial Comparison

ISO Parameter Metric Unit Imperial Designation
ISO Model Name DNMG150412-TM DNMG433-TM
Inscribed Circle (IC) 12.7 mm 1/2 inch
Corner Radius (RE) 1.2 mm 3/64 inch

How does the T9115 grade handle high-feed rates?

The T9115 Grade is the ultimate solution for high-speed steel turning. In precision machining, stability is paramount; the 1.2mm radius of this indexable turning tool offers massive resistance to chipping, allowing for significantly higher feed rates than smaller radii. The -TM chipbreaker uses a multi-stage chip-breaking geometry that maintains efficiency even at deeper cuts. For CNC machining of rough castings or forged steel, the robust substrate and heat-resistant CVD coating ensure that tool wear is predictable and catastrophic failure is minimized.

Recommended Cutting Parameters (T9115)

  • Cutting Speed (Vc): 150 - 350 m/min (Recommended for Alloy Steel)
  • Feed Rate (f): 0.20 - 0.60 mm/rev
  • Depth of Cut (ap): 1.0 - 5.0 mm

*Pro Tip: With a 1.2mm radius, you can push the feed to 0.6mm/rev for rapid roughing while maintaining an acceptable surface for finishing passes.*

Feedback from Global Machinists

⭐⭐⭐⭐⭐ "Rugged and Reliable" - David M., USA
"The 1.2mm radius is a beast. We use these on forged 4340 shafts and the tool life in T9115 is 30% better than our previous CVD inserts."

⭐⭐⭐⭐⭐ "Excellent High-Speed Performance" - K. Schmidt, Germany
"T9115 is perfect for continuous high-speed turning. We run them at 320 m/min and the coating doesn't flake. High efficiency at its best."

⭐⭐⭐⭐ "Great for Heavy Roughing" - H. Nakamura, Japan
"Consistent chip breaking at 4mm DOC. The -TM breaker handles the heavy loads very well. Very stable Japan quality."

⭐⭐⭐⭐⭐ "Impressive Feed Rates" - Matteo F., Italy
"Was able to increase our feed rate by 25% without sacrificing tool stability. T9115 is a very tough grade for production."

⭐⭐⭐⭐⭐ "Perfect for Production" - James B., UK
"The 150412 size gives extra stability. These inserts are our first choice for high-volume steel components."

Technical Tooling Q&A

Q: Can I use T9115 for interrupted cuts?

A: T9115 is optimized for continuous high-speed turning. For heavy interrupted cuts, T9125 would be a more suitable choice due to increased toughness.

Q: Why choose a 1.2mm radius (12) over a 0.8mm (08)?

A: The 1.2mm radius offers a stronger cutting edge and better heat dissipation, allowing for higher feed rates and better durability in roughing operations.

Q: Which tool holder fits the DNMG1504 size?

A: It fits standard ISO holders like DDJNR/L 2525M15 or PDJNR/L 2020K15 using the 15mm (4xx) seat size.

Expert Choice: CVD Carbide vs. PVD Carbide

For high-volume steel turning, CVD Coated Carbide (T9115) is the superior choice over PVD due to its thick thermal coating. This protects your indexable turning tool during long continuous cuts, ensuring maximum efficiency and minimal tool changes.

© Technical Content by cnchome-beyond.com - Japan Tooling Excellence

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.