Tungaloy TNMG160404-TM T9125 CVD Coated Carbide Turning Insert for Steel Machining - BEYOND

Tungaloy TNMG160404-TM T9125 CVD Coated Carbide Turning Insert for Steel Machining

$74.52 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 TNMG160404-TM T9125 Turning Insert

Toughened CVD Grade | TM Medium-Cutting Geometry | Industrial Excellence for Steel

Which carbide insert is best for interrupted steel turning?

The Tungaloy TNMG160404-TM T9125 is a high-toughness, double-sided triangular carbide insert optimized for versatile steel (P-group) machining. Utilizing Tungaloy’s advanced T9125 CVD coating technology, this insert is specifically engineered to handle the thermal and mechanical shocks of interrupted cuts and unstable setups. The -TM chipbreaker is a master of chip control, providing a smooth evacuation process across various feed rates. 100% Made in Japan, it is the industrial choice for CNC workshops requiring extreme reliability and long tool life in carbon and alloy steels.

T9125 Toughened Grade

Designed for balance. It provides superior resistance to chipping compared to the T9115, making it the premier choice for general steel turning and light interruptions.

TM Chipbreaker Geometry

The "Universal" medium-cutting geometry. It balances sharp cutting action with edge strength, preventing vibration and ensuring high surface integrity.

Double-Sided 6-Edge

Economic efficiency meets high performance. The triangular TNMG design offers 6 cutting edges per insert, significantly lowering your cost-per-part.

Decoding TNMG 160404-TM Nomenclature

T
Tri
N
0°
M
Tol.
G
Clamp
16
Size
04
Thk
04
0.4 Rad
-TM
Chip

3. Technical Data: Metric (ISO) vs. Imperial (ANSI)

Feature Metric (ISO) Imperial (ANSI)
Standard Model TNMG160404-TM TNMG 331-TM
Inscribed Circle (IC) 9.525 mm 3/8"
Thickness (S) 4.76 mm 3/16"
Corner Radius (RE) 0.4 mm 1/64"

Industrial Cutting Recommendations

  • Cutting Speed (Vc): 100 - 300 m/min (Recommended 220 m/min)
  • Feed Rate (f): 0.15 - 0.35 mm/rev
  • Depth of Cut (ap): 0.5 - 3.5 mm

*Pro-Tip: When machining steels with scale or in interrupted cuts, T9125 is the stable choice to prevent edge micro-chipping.*

4. Primary Applications

  • General purpose turning of Carbon and Alloy Steels (SCM, S45C).
  • Excellent for parts with interrupted surfaces or weld beads.
  • Suitable for machining shafts, flanges, and heavy bolts.
  • Reliable for medium-duty mass production in CNC lathes.

5. Tool Compatibility

Fits all standard ISO/ANSI TNMG 1604 tool holders. Recommended for use with MTJNR/L, WTJNR/L, or DTGNR/L tool holder series. Compatible with Haas, Mazak, and Doosan CNC systems.

7. Why Source from CNCHome-Beyond?

100% Genuine
Tungaloy Japan Stock
B2B Tech Support
Professional Expertise
Fast Shipping
Global Air Logistics
Quality Verified
Sealed Factory Boxes

B2B Customer Feedback

⭐⭐⭐⭐⭐ "Extreme Stability" - James K., USA
"T9125 is my go-to for general shop work. It handles the 'unknown' steels perfectly. Much tougher than the T9115 in interrupted cuts."

⭐⭐⭐⭐⭐ "Original Packaging" - Markus D., Germany
"Received in sealed Tungaloy boxes. Fast shipping to Germany. The inserts provide a fantastic surface finish on alloy steel."

⭐⭐⭐⭐ "Great for Interrupted Cuts" - Hiroshi S., Japan
"Consistent tool life even with light vibrations. The TM chipbreaker manages the chips well, preventing long tangles."

⭐⭐⭐⭐⭐ "Solid Partner" - Carlos M., Mexico
"Beyond's technical advice helped us optimize our feed rates. These Japan-made inserts are simply superior to local generic options."

⭐⭐⭐⭐⭐ "Excellent Tool Life" - Alistair M., UK
"We run these on our CNC lathe for batches of 500. The wear is very predictable. Highly recommend CNCHome-Beyond."

8. FAQ - Workshop Tech Support

Q: Can T9125 be used for stainless steel?

A: T9125 is primarily a steel grade (P). For stainless steel (M), we recommend Tungaloy AH725 or T6130 for better thermal management and to prevent built-up edge.

Q: What is the difference between T9115 and T9125?

A: T9115 is harder and better for high-speed continuous turning. T9125 is tougher and better for interrupted cutting or applications with vibration.

Q: Why does the TNMG design have 6 edges?

A: Because it is a double-sided triangular insert. Each side has 3 edges, giving you a total of 6 cutting corners to maximize your ROI.

Tech Tip: Toughened CVD Grade Application

The **T9125 CVD grade** is the reliable workhorse of the Tungaloy lineup. It is engineered to withstand impact and thermal cracking. For the best tool life, ensure your machine setup is rigid and use a consistent flow of coolant. **Tungaloy Japan** - Engineering the Future of Machining.

© Technical Content by cnchome-beyond.com - Global B2B CNC 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.