Tungaloy CNMG120404-37 NS9530 Cermet Turning Insert for Finishing Steel

Tungaloy CNMG120404-37 NS9530 Cermet Turning Insert for Finishing Steel

$48.28 USD

✓ In Stock & Fast Dispatch: Order processing: typically 1–3 business days after confirmation.
✓ Global Shipping: Delivery: generally 5–20 business days, depending on destination and shipping method.
✓ Guaranteed Quality: Check model, dimensions and compatibility before ordering. | Direct Factory Outlet
✓ Technical Support: Need grade selection help? Contact Engineer

💰 Bulk savings 2-9 pcs · 6% OFF | 10+ pcs · 12% OFF

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Description

Tungaloy CNMG120404-37 NS9530 Cermet Insert

Ultimate Surface Finish | NS9530 Cermet Grade | Precision Made in Japan

Why should I use Cermet NS9530 for finishing steel parts?

The Tungaloy CNMG120404-37 NS9530 is a premium cermet turning insert designed specifically for light-duty finishing and semi-finishing of steel. The NS9530 grade is a non-coated cermet that offers incredible chemical stability and resistance to built-up edge (BUE), resulting in a mirror-like surface finish that carbide simply cannot match. This indexable turning tool features the specialized -37 chipbreaker, which is engineered for low cutting forces and excellent chip control at small depths of cut. Ideal for CNC machining where dimensional accuracy and aesthetic quality are paramount, this Japan-made precision machining tool is the industry standard for high-speed finishing. By using this long-tail keywords optimized solution, you can achieve extended tool life while maintaining tight tolerances on carbon and alloy steels.

Decoding the CNMG120404-37 Technical Code

C
80° Rhombic
N
0° Clearance
M
M Tolerance
G
Double Sided
12
12.9mm Edge
04
4.76mm Thick
04
0.4mm Radius
37
Finish Breaker

Technical Specs: Metric vs. Imperial Conversion

Technical Standard Metric (Standard) Imperial Equiv.
ISO / ANSI Model CNMG120404-37 CNMG431-37
Inscribed Circle (IC) 12.7 mm 1/2 inch
Corner Radius (RE) 0.4 mm 1/64 inch

How does the -37 chipbreaker manage fine chips at high speeds?

The -37 Chipbreaker is specifically tailored for light-duty cutting. In CNC machining finishing passes, chips can often become long and "stringy," which can damage the workpiece or tangle around the tool holder. The -37 geometry ensures that even at small depths of cut, chips are broken into short, manageable segments. Combined with the NS9530 cermet grade, which maintains a sharp cutting edge longer than carbide, this indexable turning tool provides a consistent and stable tool life. This precision machining combination is perfect for high-speed finishing where surface brightness and dimensional stability are the top priorities.

Recommended Cutting Parameters for NS9530

Optimized for P (Steel) finishing:

  • Cutting Speed (Vc): 100 - 300 m/min
  • Feed Rate (f): 0.05 - 0.20 mm/rev
  • Depth of Cut (ap): 0.2 - 1.5 mm

*Note: Cermet works best at higher speeds and lower feed rates to achieve a high-gloss finish.*

Feedback from Global CNC Pros

⭐⭐⭐⭐⭐ "Mirror finish on 1045 steel" - Robert T., USA
"Switched from coated carbide to this NS9530 for our final passes. The difference in surface brightness is night and day. Dimensions stay perfect."

⭐⭐⭐⭐⭐ "Best finishing insert" - Hans M., Germany
"The -37 breaker works great for light cuts. No more long chips tangling up the machine. Authentic Tungaloy Japan quality."

⭐⭐⭐⭐ "Great tool life" - Sato Y., Japan
"Consistent performance across hundreds of parts. NS9530 is very reliable for high-speed CNC finishing. Very happy with the results."

⭐⭐⭐⭐⭐ "Excellent for tight tolerances" - Luca G., Italy
"We use these for our precision valve components. The thermal stability of the cermet helps us hold microns all day long."

⭐⭐⭐⭐⭐ "Original and fast delivery" - Tan K., Singapore
"Received genuine Tungaloy inserts. Packaging was perfect. Performance on the lathe is exactly what we expected from a top cermet grade."

Technical Finishing Q&A

Q: Can I use cermet for heavy roughing?

A: No. Cermet is brittle compared to carbide. It is optimized for finishing. For roughing, use a CVD coated grade like T9125.

Q: Should I use coolant with NS9530?

A: Cermet can be used dry or wet. However, for the best surface finish and to prevent thermal cracking, a consistent flow of coolant is recommended.

Q: What is the benefit of the -37 breaker?

A: It is a "Low Cutting Force" geometry. This prevents vibration (chatter) on thin-walled parts or long workpieces during finishing passes.

Expert Insight: Cermet vs. Coated Carbide

For precision machining finishing passes, Cermet (NS9530) provides a significant advantage. Because cermet does not react with steel at high temperatures, it prevents the "cloudy" finish often caused by carbide, ensuring your parts have a superior surface finish and high aesthetic value.

© Technical Content by cnchome-beyond.com - Japan Precision Finishing

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.