ZCC.CT SNMG120416-15 YBC251 square carbide turning insert for heavy steel machining

ZCC.CT SNMG120416-15 YBC251 Heavy-Duty Carbide Turning Inserts for Steel

$75.72 USD

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Description

ZCC.CT SNMG120416-15 YBC251 Turning Insert

The Powerhouse for Heavy Roughing and Interrupted Steel Cuts

Product Overview

"Which carbide insert is best for heavy roughing of steel shafts with interrupted cuts while maintaining long tool life?"

The ZCC.CT SNMG120416-15 in YBC251 grade is a high-performance solution for ISO P (Steel) machining. Featuring a robust 1.6mm corner radius, this insert is built for strength. The YBC251 grade utilizes a thick CVD coating (TiCN + Al2O3) to provide an exceptional thermal barrier. Combined with the -15 chipbreaker (specifically designed for medium-heavy roughing), it offers unmatched edge stability and chip control even when the depth of cut is high or the machining condition is unstable.

Core Industrial Advantages

● Extreme Edge Strength: The 1.6mm radius (16) handles high impact and heavy feed rates without chipping.
● -15 Roughing Geometry: Aggressive chip-breaking for large chips in heavy steel turning.
● YBC251 Grade: The versatile "General Purpose" steel grade that balances wear and impact resistance.

Technical Specifications

Model Decoding: SNMG 12 04 16 - 15

S
Square
N
0° Relief
M
Tolerance
G
Hole/Chip
12
12.7mm
04
4.76mm
16
1.6 Rad
15
Roughing
Standard Metric (ISO) Imperial (ANSI)
Designation SNMG120416-15 SNMG 434-15
Inscribed Circle 12.7 mm 0.500 inch

Cutting Parameters Recommendations

Material Group Vc (m/min) fn (mm/rev)
Carbon Steel (P) 180 - 320 0.30 - 0.70
Alloy Steel (P) 150 - 280 0.25 - 0.60

COMPATIBLE TOOL HOLDERS:

Fits standard MSSNR / DSDNN / PSSNR Holders

View Compatible Holders →

Main Applications

  • Heavy roughing of carbon and alloy steel forgings.
  • Turning large shafts and heavy industrial components.
  • Highly effective in interrupted cuts and scaled surfaces.
  • Best suited for medium-to-low cutting speeds with high feed.

Compatibility

  • Industry-standard ISO square pocket (12.7mm IC).
  • Optimized for high-torque CNC lathes.
  • Universal standard fits Sandvik, Iscar, and Kennametal holders.

ZCC.CT Steel Grade Comparison

Grade Primary Use Speed Range Condition
YBC151 Finishing High Speed Continuous
YBC251 (Current) Medium/Roughing Medium Speed All-rounder
YBC351 Heavy Roughing Low Speed Heavy Interruption

Verified Global Customer Reviews

★★★★★

"The 1.6mm radius on this ZCC insert is incredible for roughing down 4140 steel. No chipping at all."

— Robert K., USA 🇺🇸
★★★★★

"Sehr robuste Wendeplatte. Ideal für große Schnitttiefen."

— Hans W., Germany 🇩🇪
★★★★★

"Ottima per sgrossatura pesante. Rapporto qualità-prezzo imbattibile."

— Marco L., Italy 🇮🇹
★★★★☆

"Original product, well-packaged. Does exactly what the technical sheet says."

— Hiroshi T., Japan 🇯🇵

Industrial FAQ

Q: Why use the -15 chipbreaker?

A: The -15 chipbreaker is specifically designed with a reinforced cutting edge for roughing. It handles heavy chips and prevents edge collapse under high pressure.

Q: Can I use this for stainless steel?

A: While it can cut stainless, the YBM series is better suited for ISO M materials. YBC251 is optimized for ISO P (Steel).

Q: When should I choose YBC351 instead?

A: Switch to YBC351 if you encounter extreme interruptions or if the machine lacks rigidity and you need maximum impact resistance.

Troubleshooting: Plastic deformation? Increase speed (Vc). Edge Chipping? Decrease feed (fn) or move to YBC351.

Equivalent Models: Sandvik SNMG 12 04 16-PR, Mitsubishi SNMG120416-GH, Kyocera SNMG120416-PH

Material Matrix: Carbon Steel, Alloy Steel, Cast Steel, Tool Steel.

 

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.