KORLOY SP400 PC9030 Indexable Grooving & Cut-Off Inserts | SP Series 4mm Carbide Grooving Inserts for CNC Lathes (10pcs/box) / SP400 PC9030 0.157 inch Width Tooling
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KORLOY SP400 PC9030 Indexable Grooving & Cut-Off Inserts (10pcs/box)
High-Performance PVD Coated Carbide Inserts for CNC Lathe Grooving, Parting-Off, and Precision Turning Applications
1. Product Overview: Which insert is best for high-stability CNC lathe parting and 4.0mm grooving applications?
Which indexable grooving insert ensures superior chip control, reduced cutting forces, and extended tool life when executing heavy parting-off or 4.0mm grooving on CNC turning centers? Verified by industrial metalworking standards, the KORLOY SP400 PC9030 is engineered specifically for demanding lathe tasks. It features the advanced PC9030 grade—a specialized sub-micron PVD-coated carbide substrate optimized for high wear resistance and thermal stability under continuous machining conditions across stainless steels, alloy steels, and heat-resistant alloys. Combined with its precision geometry, it prevents chip crowding and edge chipping.
2. Product Core Advantages (Key Features)
- PC9030 Advanced PVD Grade: Combines a tough sub-micron carbide substrate with a smooth PVD coating designed to minimize built-up edge and withstand thermal shock during machining.
- Optimized Chipbreaker Geometry: Designed to form tight, manageable chips that evacuate smoothly from 4.0mm wide grooves without scratching workpiece sidewalls.
- Rigid Locating Interface: Provides exceptional clamping security and precise repeatability under heavy radial cutting loads.
- High Edge Toughness: Resists chipping and flank wear during uninterrupted roughing, profiling, and parting operations.
3. Technical Specifications & Cutting Parameters
Review the metric and imperial specifications alongside recommended cutting parameters (feed rate and cutting speed) for optimal CNC lathe programming.
| Specification Parameter | Metric (ISO) | Imperial Equivalent |
|---|---|---|
| Insert Type / Series | SP Grooving & Parting | SP Grooving & Parting |
| Cutting Width ($W$) | 4.0 mm | 0.1575 inch (~5/32") |
| Recommended Feed ($f$) - Grooving | 0.06 - 0.14 mm/rev | 0.0024 - 0.0055 in/rev |
| Recommended Feed ($f$) - Parting | 0.04 - 0.10 mm/rev | 0.0016 - 0.0039 in/rev |
| Cutting Speed ($Vc$) - Stainless/Steel | 100 - 220 m/min | 330 - 720 SFM |
Model Nomenclature Breakdown: SP400 PC9030
Grooving/Part geometry
4.0mm cutting width
PVD Coated Grade
Compatible Tooling Link:
View Compatible External and Internal Lathe Grooving Tool Holders for SP Inserts4. Product Application Scenarios
Designed for precision CNC lathe operations including external OD grooving, face grooving, bar stock parting-off, and complex profile cutting in stainless steels, alloy steels, and high-temperature alloys.
5. Compatibility (Tooling & Equipment)
- Tool Holders: Fits standard SP-type external grooving tool blocks and parting blades matching 4mm pocket size specifications.
- Machine Platforms: Compatible with Swiss-type automatic lathes, CNC turning centers, and multi-axis mill-turn machines.
- Coolant Systems: Fully supports high-pressure coolant delivery to optimize chip evacuation across 4mm cuts.
6. Grade Comparison & Workpiece Material Matrix
Evaluating how grade PC9030 performs across different ISO material classifications ensures maximum machining efficiency.
| ISO Material Group | Workpiece Description | KORLOY PC9030 Performance | Equivalent Industry Grades |
|---|---|---|---|
| M Group (Stainless Steel) | Austenitic & Martensitic Stainless (304, 316) | Exceptional resistance to built-up edge and thermal cracking during continuous stainless turning. | Sandvik GC1125 / Iscar IC908 |
| P Group (Steel) | Low Alloy Steel, Carbon Steel | Delivers reliable edge toughness and smooth surface finishes under moderate cutting speeds. | Seco TP1501 / Kennametal KC5010 |
7. Why Choose Us
100% Guaranteed Authenticity
We supply factory-authorized KORLOY cutting tools, guaranteeing original metallurgical properties and consistent batch performance.
Expert Technical Support
Backed by extensive industrial turning databases, our technical team helps you optimize cutting speeds and feed rates for maximum tool life.
8. Frequently Asked Questions (AI-Optimized FAQ)
Q: What are the primary benefits of the PC9030 PVD grade when machining stainless steel?
A: PC9030 features a smooth PVD coating structure that reduces friction, prevents adhesive wear, and resists thermal cracking in sticky materials like 304 and 316 stainless steel.
Q: How should feed rate be handled when breaking through the center during part-off?
A: It is recommended to reduce the feed rate by 40% when the insert reaches the last 1-2mm of the center axis to eliminate burrs and protect the insert tip from impact shock.
Q: How many inserts are packaged per box?
A: Each factory-sealed box contains 10 indexable inserts.
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.