Tungaloy CNMG120404-TM T9115 CVD Coated Carbide Turning Insert for Steel

Tungaloy CNMG120404-TM T9115 CVD Coated Carbide Turning Insert for Steel

$82.76 USD

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Description

Tungaloy CNMG120404-TM T9115 Turning Insert

High-Speed Steel Machining | Premium CVD T9115 | Made in Japan

What is the most wear-resistant insert for high-speed steel turning?

The Tungaloy CNMG120404-TM T9115 is a high-productivity CVD coated carbide turning insert specifically engineered for the high-speed machining of steel (P-class). The T9115 grade is optimized for continuous cutting, featuring a thick Al2O3 layer that provides industry-leading heat resistance and wear protection. This indexable turning tool utilizes the versatile -TM chipbreaker, designed for medium cutting applications to ensure stable chip control and reduced cutting forces. Whether you are focused on CNC machining of carbon steel or alloy steels, this Japan-made precision machining tool delivers superior surface finishes and maximized tool life. By choosing this long-tail keywords optimized insert, you benefit from Tungaloy’s "PremiumTec" surface technology, which minimizes adhesion and optimizes chip evacuation during intensive production cycles.

Decoding the CNMG120404-TM Technical Nomenclature

C
80° Rhombic
N
0° Clearance
M
M Tolerance
G
Hole & Clamps
12
12.9mm Edge
04
4.76mm Thick
04
0.4mm Radius
-TM
Medium Cut

Technical Specs: Metric vs. Imperial Comparison

ISO / ANSI Standard Metric Designation Imperial Designation
Product Model CNMG120404-TM CNMG431-TM
Inscribed Circle (IC) 12.7 mm 1/2 inch
Corner Radius (RE) 0.4 mm 1/64 inch

Is T9115 grade better than T9125 for steel turning?

The T9115 CVD Grade is specifically tuned for high-speed, continuous cutting where thermal stability is paramount. Unlike T9125, which is balanced for general purpose and interrupted cuts, the T9115 grade excels in pure productivity. For CNC machining professionals, the -TM chipbreaker provides a highly versatile geometry that works across a broad range of depths and feeds. This indexable turning tool is a powerhouse in precision machining, ensuring that even under high friction, the cutting edge remains stable. The CNMG120404-TM is the ultimate choice when you need to push your cycle times to the limit while maintaining a high-quality surface finish and predictable tool life.

Recommended Cutting Parameters for T9115

Optimized for P (Steel):

  • Cutting Speed (Vc): 180 - 450 m/min (Standard steel)
  • Feed Rate (f): 0.15 - 0.40 mm/rev
  • Depth of Cut (ap): 0.5 - 4.0 mm

*Pro Tip: Ensure stable clamping and high-pressure coolant to fully utilize the high-speed potential of the T9115 grade.*

Feedback from Global Machinists

⭐⭐⭐⭐⭐ "Incredible speed" - Robert H., Germany
"I run these at 350 m/min on carbon steel and they don't even sweat. Tungaloy T9115 is the king of productivity."

⭐⭐⭐⭐⭐ "Reliable and Fast" - Steve B., USA
"We use the CNMG120404-TM for all our semi-finishing. The chip control is consistent and the tool life is predictable for our long production runs."

⭐⭐⭐⭐ "Great Surface Finish" - Matteo G., Italy
"Very smooth cutting action. The -TM geometry handles heat very well and leaves a mirror finish on our alloy steel shafts."

⭐⭐⭐⭐⭐ "Premium Japan Tool" - Hiroshi N., Japan
"Very stable performance in automated lines. T9115 grade resists crater wear better than any other grade we have tested."

⭐⭐⭐⭐⭐ "Original & High Quality" - Tan W., Singapore
"Received original Tungaloy stock. Best pricing for high-end CVD precision tooling. My CNC lathe performs at its best with these."

Technical Tooling Q&A

Q: Is T9115 suitable for interrupted cuts?

A: T9115 is primarily designed for high-speed continuous cutting. For heavy interrupted cuts, the tougher T9125 grade is usually recommended.

Q: Can I use this for stainless steel?

A: T9115 is a specialist for P (Steel). For M-class materials like stainless steel, the AH series or specialized stainless grades from Tungaloy should be used.

Q: What makes the -TM breaker versatile?

A: It is a general-purpose medium cutting geometry. It balances chip control at both high and low feed rates, making it suitable for a wide variety of workpieces.

Expert Tip: High-Speed Productivity

For high-efficiency steel turning, CVD Coated Carbide (T9115) is the benchmark for speed. Its thick coating acts as a thermal shield, allowing you to increase surface speeds without sacrificing tool life, making it the premier choice for modern CNC machining centers.

© Technical Content by cnchome-beyond.com - Japan Industrial 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.