Do you offer bulk discounts or wholesale pricing for machine shops and distributors?

Yes, we support machine shops, distributors, and global buyers with tiered wholesale pricing and competitive volume discounts. We also provide OEM custom manufacturing solutions for tool holders and carbide inserts based on your technical drawings. Contact our team to request a quick B2B quotation.

What is your international shipping policy and typical lead time for orders?

We provide secure worldwide express shipping (via DHL, FedEx, and UPS) with specialized, vibration-proof industrial packaging to ensure tools arrive in perfect condition. In-stock items are dispatched within 24-48 hours, while custom or bulk orders typically have a stable lead time of 15-25 days.

How do you guarantee the quality and tolerance precision of your CNC tools?

All our cutting tools and tool holders are manufactured strictly in accordance with ISO 9001 and international industrial standards. Every batch undergoes 100% rigorous quality control testing using high-precision optical measuring equipment to ensure reliable tool life and stable performance in continuous mass production.

Tungaloy DNMG150604-TM T9125 CVD Coated Carbide Turning Insert

Name: Tungaloy DNMG150604-TM T9125 CVD Coated Carbide Turning Insert
SKU: DNMG150604-TM T9125
Price: 102.10 USD
Availability: InStock

$102.10 USD

Free shipping on all orders.
Check compatibility: Confirm the model and dimensions before ordering.
Need help choosing? Contact us before ordering.

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

Description

Description

Tungaloy DNMG150604-TM T9125 Turning Insert

Reliable Steel Machining | Premium T9125 CVD Grade | Made in Japan

What is the most versatile carbide insert for finishing steel?

The Tungaloy DNMG150604-TM T9125 is a high-performance CVD coated carbide turning insert engineered for reliability in carbon and alloy steels. The T9125 grade is specifically designed with a balanced substrate that provides high fracture toughness and excellent wear resistance, making it ideal for continuous to light interrupted cuts. Featuring a 0.4mm corner radius, it is perfect for achieving fine surface finishes and precision profiles. The -TM chipbreaker (Semi-Finishing) ensures exceptional chip control and reduced cutting forces. This Japan-made indexable turning tool is the professional CNC machining choice for those requiring consistent tool life. Utilizing this long-tail keywords optimized insert into your production workflow guarantees stability and precision.

Decoding the DNMG150604-TM Technical Nomenclature

D
55° Rhombic

N
0° Clearance

M
M-Tolerance

G
Double Sided

15
15.5mm Edge

06
6.35mm Thick

04
0.4mm Radius

-TM
Semi-Finish

Technical Specs: Metric vs. Imperial Comparison

ISO Parameter	Metric Unit	Imperial Designation
ISO Model Name	DNMG150604-TM	DNMG441-TM
Inscribed Circle (IC)	12.7 mm	1/2 inch
Thickness (S)	6.35 mm	1/4 inch
Corner Radius (RE)	0.4 mm	1/64 inch

Recommended Cutting Parameters (T9225)

Cutting Speed (Vc): 120 - 280 m/min (Standard Steels)
Feed Rate (f): 0.10 - 0.30 mm/rev
Depth of Cut (ap): 0.5 - 3.0 mm

*Pro Tip: T9225 is the "insurance" grade for steel. If you are unsure of material hardness or setup stability, this grade is the safest choice to prevent edge failure.*

Feedback from Global Machinists

⭐⭐⭐⭐⭐ "Perfect for Precision Finishing" - Robert T., USA
"The 0.4mm radius gives me a beautiful finish on 4140 parts. T9125 is very tough and the edge lasts twice as long as my previous brand."

⭐⭐⭐⭐⭐ "Reliable and Consistent" - M. Schneider, Germany
"Great performance on interrupted cuts. This is my go-to insert for varied steel components on our CNC lathes."

⭐⭐⭐⭐ "Great Chip Control" - Hiroshi K., Japan
"Excellent Japan-made quality. The -TM breaker works perfectly even at lower depths of cut. Highly recommended."

⭐⭐⭐⭐⭐ "Best for Job Shops" - Luca B., Italy
"Very versatile. We use it for different steel types and it always performs. Stable tool life is a big plus."

⭐⭐⭐⭐⭐ "Fast Delivery & High Quality" - Sarah J., UK
"The DNMG150604-TM T9125 is a workhorse. It handled our carbon steel production run flawlessly. Very pleased."

Technical Tooling Q&A

Q: Can I use T9125 for stainless steel turning?

A: T9125 is optimized for steel (P-class). For stainless steel (M-class), we recommend Tungaloy's AH series or specialized stainless grades for better results.

Q: What is the benefit of the 0.4mm radius over 0.8mm?

A: A 0.4mm radius (04) allows for lower cutting forces and is better for machining thin-walled parts or achieving finer surface finishes than a 0.8mm radius.

Q: Is this insert suitable for interrupted cuts?

A: Yes, the T9125 grade is designed with high toughness, making it much more reliable than T9115 for slight interruptions in the cutting path.

Expert Choice: Premium CVD Tooling

For precision machining, CVD Coated Carbide (T9125) offers the thermal stability and shock resistance required for modern production. Protect your indexable turning tool while maintaining high throughput in your CNC machining shop.

Need Help With Tungaloy Inserts?

Looking for a Tungaloy equivalent, alternative grade, or sample catalog? Our CNC specialists have helped 50+ manufacturers in aerospace, automotive, and medical machining source the right tooling at 30–50% lower cost than OEM prices.

EQUIVALENT FINDER Cross-Reference to 15 Brands Find equivalent grades from Sandvik, Iscar, Kyocera, Walter, Mitsubishi and 10 more. FREE CATALOG Download PDF Catalogs 15+ insert catalogs with grade, ISO code, and tolerance data sheets. GRADE TOOL Find the Best Grade Insert grade selector for steel, stainless, cast iron, and superalloys.

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This Tungaloy insert is in stock. 24-hour quote response. ISO 9001 certified. Ships from Hangzhou in 3–7 days.

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.