ZCC.CT SCMT120408-HR YBC151 Carbide Turning Inserts for Heavy Roughing

$77.00 USD

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

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Description

ZCC.CT SCMT120408-HR YBC151 Turning Insert

Advanced CVD Grade for Heavy-Duty Roughing of Steel Components

Product Overview

"Which carbide insert is best for heavy roughing of steel with a large depth of cut while maintaining high-speed efficiency?"

The ZCC.CT SCMT120408-HR in the YBC151 grade is a high-performance 90° square insert engineered for ISO P (Steel) roughing. The YBC151 grade features a thick CVD coating (TiCN + Al2O3) optimized for thermal stability during high-speed continuous cutting. What sets this model apart is the HR Chipbreaker—a heavy-duty geometry with a reinforced cutting edge and a wide chip groove designed to handle large chips and high feed rates in large-scale steel removal operations.

Key Core Advantages

  • [!] HR Roughing Geometry: High edge strength prevents chipping even during large fluctuations in depth of cut (DOC).
  • [!] CVD YBC151 Coating: Exceptional wear resistance and heat dissipation for dry or high-speed wet machining.
  • [!] Square Shape Stability: 90° square design offers 4 cutting edges with maximum tool holder support.

Technical Specifications

ISO Model Nomenclature Breakdown

S
Square
C
7° Relief
M
Tolerance
T
Hole
12
12.7mm
04
4.76mm
08
0.8 Rad
HR
Roughing
Dimensions Metric (ISO) Imperial (ANSI)
Insert Code SCMT120408-HR SCMT 432-HR
Inscribed Circle 12.7 mm 0.50 in

Recommended Cutting Data

Workpiece Material Speed (Vc) Feed (fn)
Carbon Steel (< 220HB) 220 - 450 m/min 0.25 - 0.60 mm/r
Alloy Steel (< 350HB) 150 - 320 m/min 0.20 - 0.50 mm/r

Compatible Tool Holders (SCMT 12 Size):

Fits SSDCN / SSBCR / SSGCR 1204 Seating

View Compatible Holders →

ZCC.CT Steel Grade Guide

Grade Application Wear Resistance Toughness
YBC151 (This) High-Speed Continuous Highest Moderate
YBC251 General Roughing Very Good Good
YBC351 Heavy Interrupted Good Highest

Main Applications

  • Heavy roughing of structural steel components.
  • Forging and casting skin removal.
  • Large-diameter OD turning and high-DOC operations.
  • Mass production of automotive gears and axles.

Device Compatibility

  • High-rigidity CNC lathes and Turn-Mill centers.
  • Fits all ISO-standard SCMT 12 seating holders.
  • Compatible with high-pressure coolant systems.

Global Industrial Feedback

★★★★★

"The HR chipbreaker is a beast on 4140 steel. Huge depth of cut with no edge failure."

— Robert K., USA 🇺🇸
★★★★★

"YBC151 holds the heat well. We are running at 300m/min and the tool life is fantastic."

— Hans M., Germany 🇩🇪
★★★★★

"Excellent for roughing cast steel. Fast shipping and high quality."

— Giovanni F., Italy 🇮🇹
★★★★☆

"Stable performance. The 12mm size fits our standard holders perfectly."

— Kenji Y., Japan 🇯🇵

Machinist Support (FAQ)

Q: What is the benefit of HR vs HM chipbreaker?

A: HR is for roughing (larger depth of cut and feed), while HM is for medium machining. HR has a stronger edge to resist heavy loads.

Q: Can YBC151 be used for stainless steel?

A: YBC series is optimized for ISO P (Steel). For stainless steel (ISO M), we recommend the YBM251 grade.

Q: Is this insert compatible with dry machining?

A: Yes, the CVD coating TiCN+Al2O3 is designed for high heat resistance, making it suitable for high-speed dry turning.

Equivalent Models: Sandvik SCMT 432-HR, Kyocera SCMT 432-HR, Mitsubishi SCMT 432-HR

Troubleshooting: If the cutting edge chips, reduce feed rate (fn) or DOC. If crater wear occurs too fast, increase coolant flow or reduce speed (Vc).

 

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.