ZCC.CT TCMT16T308-HM YBM351 Carbide Turning Insert for Stainless Steel

$66.00 USD

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

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Description

ZCC.CT TCMT16T308-HM YBM351 Turning Insert

Toughness-Oriented CVD Solution for Stainless Steel (ISO M) Machining

Product Overview

"Which carbide insert is most reliable for interrupted cuts and medium-roughing of stainless steel under unstable conditions?"

The ZCC.CT TCMT16T308-HM YBM351 is a high-toughness triangular turning insert designed for demanding ISO M (Stainless Steel) applications. The YBM351 grade utilizes a thick CVD coating combined with a high-strength substrate to resist notch wear and thermal cracking. Paired with the -HM chipbreaker, this insert excels in medium-duty machining where chip control and edge security are critical.

Core Industrial Advantages

YBM351 High Toughness: Engineered for toughness-first operations, ideal for austenitic stainless steel and duplex alloys.
-HM Heavy-Medium Geometry: Specifically designed to break tough stainless chips while minimizing cutting temperature build-up.
Triangular Stability: Positive 7-degree relief angle reduces friction and work-hardening during machining.

Technical Specifications

ISO Designation Decoding

T
Triangular
C
7° Relief
M
Tolerance
T
Hole Type
16
16mm Edge
T3
3.97mm Thk
08
0.8mm Rad
HM
Semi-Rough
Standard Model Number I.C. / Thk / Rad
Metric (ISO) TCMT16T308-HM 16.5mm / 3.97mm / 0.8mm
Imperial (ANSI) TCMT32.52-HM 3/8" / 1/8" / 1/32"

Recommended Cutting Parameters

Workpiece Material Vc (m/min) fz (mm/rev) ap (mm)
Austenitic Stainless 140 - 240 0.15 - 0.40 1.0 - 3.5
Duplex Stainless 100 - 180 0.12 - 0.35 1.0 - 3.0

Compatible Tool Holders:

Applications

  • Energy Industry: Turning stainless steel valves, flanges, and piping connectors.
  • Interrupted Machining: High substrate toughness prevents premature fracturing.
  • Semi-Roughing: Ideal for balanced material removal in high-pressure coolant environments.

Compatibility

Perfect for CNC turning centers (Mazak, Haas, Mori Seiki) and manual lathes. Fits all standard ISO turning holders requiring a 16mm edge TCMT insert (Metric) or 3/8" I.C. (Imperial).

ZCC.CT Stainless Steel Grade Matrix

Grade Main Benefit Best Condition
YBM151 Wear Resistance Stable / Finishing
YBM251 General Purpose Standard Machining
YBM351 (Current) Impact Toughness Unstable / Roughing

Industrial Real-World Feedback

★★★★★
"Unstoppable on Duplex"

The YBM351 is my go-to for 316 and Duplex 2205. The edge doesn't chip even during heavy interruptions.

— Robert J., USA 🇺🇸
★★★★★
"Perfekt für V4A"

Sehr gute Standzeit bei Edelstahl. Der HM-Spanbrecher funktioniert hervorragend.

— Dieter S., Germany 🇩🇪
★★★★☆
"Reliable Performance"

Good tool life in unstable setups. Great cost-to-performance ratio for stainless steel valve bodies.

— Marco G., Italy 🇮🇹

Expert Technical Support

Q: Why is YBM351 better for stainless steel than YBC grades?

A: YBM351 is specifically optimized for the low thermal conductivity and work-hardening properties of stainless steel, whereas YBC grades are tuned for carbon steel hardness.

Q: Can I use this for finishing?

A: The -HM chipbreaker is designed for medium-heavy cuts. For fine finishing, we recommend the -HF or -EM geometry.

Q: What coolant strategy is best?

A: High-pressure emulsion coolant is highly recommended to prevent heat buildup and improve chip evacuation in austenitic alloys.

Workpiece Material Matrix

Stainless Steel (M): ★★★★★
Heat Resistant Alloys (S): ★★★★☆
Cast Iron (K): ☆☆☆☆☆

Troubleshooting Guide

  • Notch Wear: Reduce feed or change to tougher YBM351
  • Thermal Cracking: Improve coolant or reduce speed
  • Built-up Edge: Increase cutting speed (Vc)

Equivalent Models

Sandvik: TCMT16T308-MM | Mitsubishi: TCMT16T308-MM | Sumitomo: TCMT16T308-MU

© 2026 ZCC.CT Tooling Global. High Precision Machining Solutions.

 

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.