ZCC.CT SPGN120308 YBD151 square carbide turning insert for CNC cast iron machining and finishing.

ZCC.CT SPGN120308 YBD151 Carbide Turning Inserts for Cast Iron Machining

$75.38 USD

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

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Description

ZCC.CT SPGN120308 YBD151 Precision Insert

The Industrial Standard for High-Speed Abrasive Cast Iron Turning

Product Overview

"Which carbide insert provides the longest tool life when machining abrasive grey cast iron at high cutting speeds?"

The ZCC.CT SPGN120308 YBD151 is a specialized square turning insert engineered for ISO K (Cast Iron) applications. Featuring the YBD151 grade—a highly textured CVD coating (TiCN + Thick Al2O3)—this insert is designed to withstand the intense abrasive wear caused by graphite flakes in cast iron. Its geometry provides a stable cutting edge, making it the ideal choice for high-speed continuous finishing and semi-finishing operations.

Core Performance Advantages

Superior Wear Resistance: Thick Al2O3 coating offers a powerful thermal barrier against abrasive friction.
Edge Precision: Sharp, stable geometry ensures tight tolerances and excellent surface finishes in cast iron.
High-Speed Capability: Optimized for high Vc (cutting speed) environments without rapid flank wear.

Technical Specifications

S
Square
P
11° Relief
G
Tolerance
N
No Chipbreaker
12
12.7mm IC
03
3.18mm Thick
08
0.8mm Rad
Standard Metric Designation Imperial Designation
ISO / ANSI SPGN120308 SPGN422

Recommended Cutting Parameters

Workpiece Material Cutting Speed (Vc m/min) Feed Rate (fn mm/rev)
Grey Cast Iron (GG) 250 - 500 0.15 - 0.40
Ductile Iron (GGG) 150 - 300 0.10 - 0.35

Compatible Tool Holders (SPGN 1203 Series):

Browse CSBPR / CSBPL Boring Bars & Holders >

Industrial Applications

  • Boring Operations: High relief angle (11°) is excellent for internal boring.
  • Cast Iron Components: Engine blocks, brake discs, and transmission housings.
  • Precision Finishing: Achieving tight dimensional accuracy in abrasive materials.

Machine Compatibility

Optimized for CNC lathes and boring mills. Specifically designed for rigid setups where high spindle speeds are required to leverage the YBD151 CVD coating properties.

ZCC.CT Cast Iron Grade Matrix

Grade Coating Application
YBD151 (Target) CVD Continuous / High Speed
YBD152 CVD Medium Speed / Semi-Roughing
YBD252 CVD Interrupted / Heavy Roughing

Verified Customer Reviews

★★★★★
"Outstanding in Brake Disc Boring"

Switched to YBD151 for boring cast iron discs. Tool life increased by 35% compared to our previous brand.

— Hans G., Germany 🇩🇪
★★★★★
"Precision and Durability"

The 0.8 radius gives a perfect balance for semi-finishing. Holds tolerances exceptionally well in abrasive iron.

— Michael T., USA 🇺🇸
★★★★★
"Affidabilità incredibile"

Ottima resistenza all'usura su ghisa grigia. Spedizione veloce e prodotto originale ZCC.CT.

— Luca R., Italy 🇮🇹

Pro-Machinist FAQ

Q: Is the SPGN geometry suitable for finishing or roughing?

A: The SPGN is primarily used for precision finishing and semi-finishing. Because it lacks a chipbreaker, it relies on the workpiece material properties and feed rate for chip control, common in boring operations.

Q: Why is YBD151 the best choice for cast iron?

A: YBD151 is a high-hardness CVD grade. Its thick Al2O3 layer protects the carbide substrate from the "sandpaper" effect of abrasive graphite flakes in grey cast iron, significantly extending edge life.

Q: Can I use this for stainless steel?

A: Not recommended. YBD151 is optimized for the thermal and chemical properties of cast iron (ISO K). For stainless steel (ISO M), we recommend ZCC.CT YBM series grades.

Troubleshooting

Rapid Flank Wear: Decrease cutting speed (Vc) or use coolant if thermal cracking isn't present.
Chipping: Check tool rigidity or reduce feed (fn).

Equivalent Models

Sandvik: SPGN 12 03 08
Sumitomo: SPGN120308
Mitsubishi: SPGN120308

 

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.