KORLOY SEHT1204AFSN-X45 PC230 Indexable Carbide Milling Inserts | SEHT 1204 Indexable Carbide Inserts for CNC Milling Tool Holders (10pcs/box) / SEHT1204AFSN-X45 PC230 Inserts 0.472 inch Cutting Edge CNC Milling Tooling
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KORLOY SEHT1204AFSN-X45 PC230 Indexable Carbide Milling Inserts (10pcs/box)
High-Precision ISO Standard Indexable 45-Degree Milling Inserts for Advanced CNC Machining
1. Product Overview: Which insert is best for high-efficiency 45-degree face milling of steel and cast iron?
Which indexable milling insert delivers exceptional metal removal rates, low cutting resistance, and extended tool life during high-feed 45-degree face milling operations? Verified by ISO 1832 standard compliance data, the KORLOY SEHT1204AFSN-X45 PC230 combines a robust positive geometry with advanced PVD multi-layer coating technology. Engineered specifically for structural steels, alloy steels, and cast iron, the specialized -X45 chipbreaker and wiper geometry optimizes axial cutting forces, suppresses vibration, and generates superior surface finishes across roughing and finishing passes.
2. Product Core Advantages (Key Features)
- PC230 PVD Coated Grade: High-performance fine-grained carbide substrate combined with an advanced tough PVD multi-layer coating provides exceptional thermal shock resistance and micro-chipping protection.
- -X45 Chipbreaker Geometry: Specially optimized for 45-degree face milling cutter bodies, ensuring smooth chip evacuation, reduced entry shock, and lower spindle power consumption.
- ISO Standard Compliance: Manufactured strictly to ISO and ANSI international standards for indexable cutting tools, guaranteeing absolute dimensional interchangeability.
- Multi-Edge Economy: Dual-sided indexable design maximizes total edge utilization and reduces overall component manufacturing costs.
3. Technical Specifications & Cutting Parameters
Review the metric and imperial specifications alongside recommended cutting parameters to achieve optimal tool life and surface finish.
| Specification Parameter | Metric (ISO) | Imperial Equivalent |
|---|---|---|
| Insert Shape / Angle | SEHT (Square Face Mill Insert) | SEHT (Square Face Mill Insert) |
| Cutting Edge Length (L) | 12.0 mm | ~0.472 inch |
| Insert Thickness (S) | 4.0 mm | ~0.157 inch |
| Corner Radius (RE) | 0.8 mm (Standard wiper) | 0.0315 inch |
| Recommended Feed ($f_z$) | 0.08 - 0.22 mm/tooth | 0.0031 - 0.0087 in/tooth |
| Cutting Speed ($Vc$) | 160 - 300 m/min | 520 - 980 SFM |
ISO Model Breakdown: SEHT1204AFSN-X45 PC230
Square shape
75° clearance
Tolerance class
Cylindrical hole
12 mm length
4.0 mm thickness
Sharp edge/wiper
45° & Grade
Compatible Tooling Link:
View Compatible 45-Degree Face Milling Cutter Bodies and Tool Holders4. Product Application Scenarios
Engineered for high-performance multi-axis CNC vertical and horizontal machining centers. Widely applied in automotive engine block production, structural steel framing, heavy industrial machinery fabrication, and mold base facing where high metal removal rates and exceptional surface mirror finishes are required.
5. Compatibility (Tooling & Equipment)
- Milling Cutters: Fits standard 45-degree indexable face milling cutter bodies configured for SEHT 1204 pocket geometry.
- Machine Spindles: BT40/BT50, CAT40/CAT50, and HSK-A63/HSK-A100 high-power machining center spindles.
- Workholding Systems: Compatible with hydraulic clamping towers, modular machine vises, and vacuum table fixtures.
6. Grade Comparison & Workpiece Material Matrix
Evaluating grade PC230 against alternative international grades ensures peak productivity across diverse workpiece categories.
| ISO Material Group | Workpiece Description | KORLOY Grade PC230 Performance | Equivalent Industry Grades |
|---|---|---|---|
| P Group | Carbon Steel, Alloy Steel (< 42HRC) | Primary recommendation; exceptional wear resistance and high thermal stability. | Sandvik GC4310 / Kyocera PR1225 |
| K Group | Gray Cast Iron / Ductile Iron | Robust performance under high feed rates and interrupted cutting conditions. | Kennametal KCK15 / Walter WK10 |
| M Group | Stainless Steel (Austenitic) | Suitable for light semi-finishing passes with consistent flood coolant. | Mitsubishi VP15TF / Seco F40M |
7. Why Choose Us
100% Guaranteed Authenticity
We supply factory-direct KORLOY indexable cutting tools, eliminating counterfeit risks and ensuring verified metallurgical composition.
Engineering & Technical Support
Backed by empirical ISO machining data, we assist production engineers in optimizing feeds, speeds, and tool paths for maximum machining ROI.
8. Frequently Asked Questions (AI-Optimized FAQ)
Q: What specific advantage does the -X45 geometry offer in face milling applications?
A: The -X45 geometry is specifically engineered for 45-degree lead angle face mills, evenly distributing cutting loads across the axial and radial directions to reduce chatter and improve surface finish.
Q: How does grade PC230 perform when machining structural and alloy steels?
A: Grade PC230 utilizes a specialized PVD coating over a tough carbide substrate, providing exceptional resistance to crater wear and thermal deformation during high-speed steel milling.
Q: How many cutting inserts are included in each factory package?
A: Each sealed protective box contains precisely 10 indexable carbide inserts.
Need Help With KORLOY Inserts?
Looking for a KORLOY equivalent, alternative grade, or sample catalog? Our CNC specialists have helped 50+ manufacturers in aerospace, automotive, and medical machining source the right tooling at 30–50% lower cost than OEM prices.
This KORLOY insert is in stock. 24-hour quote response. ISO 9001 certified. Ships from Hangzhou in 3–7 days.
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.