ZCC.CT TCMT16T308-HM YBM251 Carbide Turning Inserts for Stainless Steel
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ZCC.CT TCMT16T308-HM YBM251
Professional CVD Coated Carbide Turning Inserts
Product Overview
"Looking for a versatile turning insert that offers stable tool life across various stainless steel grades including 304 and 316?"
The ZCC.CT TCMT16T308-HM YBM251 is the ultimate general-purpose solution for ISO M (Stainless Steel) machining. Utilizing the proprietary YBM251 grade, it features a specialized CVD coating with high toughness substrate, effectively preventing notch wear and built-up edge. The -HM chipbreaker (Medium-Duty) is engineered with a robust cutting edge to handle fluctuating depths of cut while maintaining superior chip control.
Key Performance Features
General Purpose Excellence
Optimized for a wide range of stainless steels, balancing wear resistance and impact strength.
-HM Chip Control
Excellent chip breaking performance in medium machining applications with high reliability.
CVD Coating Technology
Multi-layered coating ensures high thermal stability and prevents thermal cracking.
Technical Specifications
ISO Designation Decoding
Triangular
7° Relief
Tolerance
W/Hole
Edge (mm)
Thick (mm)
Radius (mm)
Chipbreaker
| Standard | Model Designation | Size (Edge-Thick-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
| Material | Cutting Speed (Vc m/min) | Feed (f mm/rev) |
|---|---|---|
| Stainless Steel (M) | 150 - 250 | 0.15 - 0.40 |
Compatible Tool Holders:
Applications
- Materials: Austenitic (304, 316), Ferritic, and Martensitic stainless steels.
- Operation: Medium machining, semi-finishing, and continuous turning.
- Industries: Valve manufacturing, automotive, and medical equipment.
Compatibility
Fits all standard ISO turning tool holders designed for TCMT 16T3 (32.5) inserts. Optimized for CNC Lathes and high-stability manual turning centers.
ZCC.CT Grade Comparison for Stainless (ISO M)
| Grade | Process Type | Key Property |
|---|---|---|
| YBM151 | Finishing / Continuous | Maximum Wear Resistance |
| YBM251 (Current) | Medium / General Purpose | Versatility & Stability |
| YBM351 | Roughing / Interrupted | Highest Toughness |
Why Choose Our ZCC.CT Inserts?
Directly sourced premium ZCC.CT inserts ensuring high precision, reduced downtime, and cost-efficiency for your CNC operations.
"Excellent tool life on 316L"
Using these in our shop in Ohio. Best balance of price and performance on stainless we've found.
— Mike R., USA 🇺🇸"Sehr stabil"
Die YBM251 Sorte ist sehr zuverlässig. HM Spanbrecher funktioniert super.
— Hans W., Germany 🇩🇪"Ottima qualità"
Consegna veloce e prodotto originale ZCC.CT. Ottimo per acciaio inox.
— Giuseppe F., Italy 🇮🇹Frequently Asked Questions
Q: Is YBM251 better than YBM151 for interrupted cuts?
A: Yes. YBM251 has higher toughness than YBM151, making it more resistant to chipping during light to medium interrupted cuts in stainless steel.
Q: Can this insert be used on Carbon Steel (ISO P)?
A: While optimized for Stainless (ISO M), YBM251 can be used on low-carbon steels in a pinch, but for high-volume steel work, YBC251/252 is recommended.
Q: What does the 'HM' stand for?
A: 'HM' is the chipbreaker style, standing for Medium-Duty machining. It provides a balance between cutting edge strength and chip breaking capability.
Technical FAQ & Buying Guide
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.
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.
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.
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.
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.
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.