Korloy SPMT060205-PD PC5300 Universal PVD Indexable Insert for Stainless (10pcs)
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The Original Korloy SPMT060205-PD PC5300 is a high-performance Universal Square Indexable Insert, precision-engineered for Indexable U-Drills and heavy-duty milling applications. Utilizing Korloy's advanced PC5300 PVD Grade, this insert features a fine-grained substrate and a heat-resistant TiAlN-based coating. It is the definitive choice for machining Stainless Steel (M-Group) and provides unmatched reliability in the inner pocket of drills where impact resistance is crucial.
Maximum Versatility: PC5300 is designed to handle interrupted cuts and unstable machining conditions. Its superior coating adhesion prevents edge chipping, making it the most reliable grade for mixed-production workshops.
Technical Specifications:
| Brand | Korloy (100% Genuine) |
| ISO Designation | SPMT060205-PD |
| Corner Radius (r) | 0.5 mm |
| Grade | PC5300 (Premium Universal PVD) |
| Target Materials | Stainless Steel, Alloy Steel, Cast Iron, Exotic Alloys |
Core Performance Benefits:
- Universal Grade: One insert for multiple materials (P, M, K, S), drastically reducing tool inventory costs.
- Impact Resistance: The PVD coating maintains a sharper edge and higher toughness than CVD, essential for the center of U-drills.
- Reduced Friction: Specialized PD chipbreaker reduces cutting heat and prevents material buildup (BUE) on the edge.
- Predictable Tool Life: Consistent performance even in difficult-to-machine materials like Duplex or 300-series stainless steel.
Recommended Cutting Parameters:
| Workpiece Material | Cutting Speed (Vc) | Feed Rate (fn/fz) |
|---|---|---|
| Stainless Steel (304/316) | 70 - 140 m/min | 0.06 - 0.14 mm/rev |
| Alloy Steel (HB180-280) | 100 - 180 m/min | 0.07 - 0.16 mm/rev |
| Cast Iron (Grey/Ductile) | 80 - 160 m/min | 0.08 - 0.18 mm/rev |
Compatible Tooling Systems:
Ensure maximum performance by pairing with these high-stability holders:
- Indexable U-Drills: King Drill (21.5mm - 27mm Diameter)
- Indexable Milling Cutters: SPMT 06-pocket End Mills & Face Mills
Machinist Tip: The "Inner Edge" Secret
Why PC5300 is the most important insert in your U-Drill setup:
For Stainless & Inner Pockets. Use this as your inner insert for all materials. Because center speeds are low, the material "tears" rather than cuts. PC5300's high toughness prevents this impact from shattering the insert.
For High-Speed Steel. Use this for the outer pocket when machining carbon steel. It handles the high peripheral speeds (Vc) better than PVD but is too brittle for the inner pocket.
Pro Advice: If you are experiencing vibration during entry into the workpiece, reduce the feed rate by 50% for the first 2-3mm, then increase to the recommended parameters. This protects the PC5300 inner insert.
Packaging: 10 pieces per box.
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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.