Tungaloy DCGT11T302N-JS AH725 Precision Finishing Turning Insert

$89.66 USD

Price shown is a starting point. Contact us for a precise quote based on your requirements.

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Description

Tungaloy DCGT11T302N-JS AH725 Turning Insert

Universal Finishing Specialist | Ultra-Tough AH725 PVD | Made in Japan

What is the best carbide insert for finishing stainless steel and sticky alloys?

The Tungaloy DCGT11T302N-JS AH725 is a high-performance precision machining solution tailored for finishing operations where chip control and surface integrity are paramount. Featuring the highly versatile AH725 PVD grade, this insert provides a unique combination of a wear-resistant coating and a high-toughness substrate, making it ideal for CNC machining of carbon steel, alloy steel, and stainless steel. The -JS chipbreaker is specifically designed for light-duty finishing passes, featuring a positive rake angle that reduces cutting forces and minimizes the risk of built-up edge (BUE). This Japan-made indexable turning tool ensures exceptional tool life and dimensional accuracy. By utilizing this long-tail keywords optimized insert, your workshop can achieve superior surface Ra values even in difficult-to-cut materials.

Decoding the DCGT11T302N-JS Technical Nomenclature

D
55° Rhombic
C
7° Clearance
G
G Tolerance
T
Hole & Screw
11
11.6mm Edge
T3
3.97mm Thick
02
0.2mm Radius
-JS
Finishing

Technical Specs: Metric vs. Imperial Comparison

Feature Detail Metric Designation Imperial Equiv.
ISO / ANSI Model DCGT11T302N-JS DCGT32.50.5-JS
Inscribed Circle (IC) 9.525 mm 3/8 inch
Corner Radius (RE) 0.2 mm 0.008 inch

Why is the AH725 grade and JS chipbreaker a versatile combination?

The AH725 Grade is a specialized PVD grade that excels in diverse cutting conditions, providing high adhesion resistance which is crucial when working with stainless steel. The -JS chipbreaker is specifically designed for precision finishing tasks. Its sharp cutting edge combined with a large rake angle ensures low cutting forces, which prevents the deflection of the workpiece and reduces heat generation. In CNC machining, this indexable turning tool is highly valued for its ability to produce clean surface finishes on complex parts. Choosing the 0.2mm radius allows for a perfect balance between edge strength and fine detailing in a turning insert.

Recommended Cutting Parameters for AH725

  • Cutting Speed (Vc): 60 - 180 m/min
  • Feed Rate (f): 0.03 - 0.12 mm/rev
  • Depth of Cut (ap): 0.1 - 1.2 mm

*Pro Tip: For the best surface finish, maintain high RPM and a consistent feed rate to utilize the sharp JS geometry effectively.*

Feedback from Global Precision Workshops

⭐⭐⭐⭐⭐ "Superb Results" - James W., USA
"Using these for finishing stainless parts. The AH725 grade holds its edge much longer than other brands we've tried. Very impressed with the chip control."

⭐⭐⭐⭐⭐ "Incredible Precision" - Hiroshi S., Japan
"Tungaloy's G-tolerance is the best. The JS breaker creates a very smooth finish. High-quality Japan-made inserts."

⭐⭐⭐⭐ "Stable Performance" - Luca B., Italy
"We turn a lot of alloy steel and these inserts are very predictable. Surface Ra is consistently low. Good value for money."

⭐⭐⭐⭐⭐ "Perfect Finish" - Sarah L., UK
"Exactly what we needed for our finishing passes. The chips break easily and don't wrap around the workpiece."

⭐⭐⭐⭐⭐ "Original Quality" - Liam G., Australia
"Genuine Tungaloy stock delivered fast. The performance matches the catalog perfectly. Will be ordering again."

Technical Tooling Q&A

Q: Can I use this for roughing?

A: No. The DCGT11T302 is a precision finishing insert. Its sharp edge and 0.2mm radius are not designed to handle the heavy loads of roughing operations.

Q: What is the main benefit of the JS chipbreaker?

A: The JS breaker is optimized for finishing at small depths of cut, providing exceptional chip breaking and reducing the risk of surface damage from long chips.

Q: Which tool holder is compatible?

A: This insert fits standard ISO holders for DCGT 11T3 inserts, such as the SDJCR/L or SDNCN series.

Expert Tip: Maximizing Finish Quality

For precision machining in stainless, PVD Coated Carbide (AH725) is far superior to CVD for finishing. The thinner PVD coating keeps the JS edge micro-sharp, ensuring your tool life and part finish remain world-class shift after shift.

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

Technical FAQ & Buying Guide

Are your carbide inserts interchangeable with major brands like Sandvik, Iscar, or Kennametal?

Absolutely. Our CNC carbide inserts (including CNMG, WNMG, DNMG, and APMT series) are manufactured strictly adhering to international ISO/ANSI specifications. A CNMG 120408 from OYYU BEYOND will flawlessly fit any standard turning tool holder or indexable tool from major global brands like Sandvik Coromant, Kennametal, Iscar, Walter, or SECO, providing a highly cost-effective premium alternative without sacrificing tolerance or tool life.

How do I choose the correct insert grade and chipbreaker for machining Stainless Steel (M) vs. Carbon Steel (P)?

We offer optimized CVD and PVD multi-layer coatings for different ISO material groups:

  • For Carbon/Alloy Steel (ISO P): Choose our thick multi-layer CVD coated grades (e.g., Al2O3 + TiN). They provide exceptional crater wear resistance and thermal barriers during high-speed dry or wet roughing.
  • For Stainless Steel (ISO M): Choose our nano-structured PVD coated grades with sharp, positive chipbreakers (like -TM or -MA). This combination prevents work hardening and effectively controls sticky chips.
What are the recommended cutting speed (Vc) and feed rate (f) parameters to maximize tool life?

The optimal cutting parameters vary depending on the workpiece hardness and operation type:

  • For General Steel Turnings: Recommended cutting speed ($V_c$) ranges from 150 to 280 m/min, with a feed rate ($f$) of 0.15 to 0.45 mm/rev.
  • For Stainless Steel Finishing: Recommended cutting speed ($V_c$) is 120 to 200 m/min, with a feed rate ($f$) of 0.10 to 0.25 mm/rev.Always adjust parameters based on early wear patterns: increase $V_c$ if built-up edge occurs, or reduce $V_c$ if severe flank wear is observed.
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.