Korloy SPMT050204-PD PC5300 Universal PVD U-Drill Insert for Stainless Steel (10pcs)
Price shown is a starting point. Contact us for a precise quote based on your requirements.
The Original Korloy SPMT050204-PD PC5300 is a versatile Square Indexable Insert engineered for high-performance Indexable U-Drills and small-scale milling. Utilizing the world-renowned PC5300 PVD Grade, this insert features an ultra-fine carbide substrate and a specialized TiAlN-based coating. It is specifically designed to excel in Stainless Steel (M-Group) and (Exotic Alloys), where toughness and edge sharpness are critical for success.
The Inner-Edge Specialist: In indexable drilling, the inner insert operates at near-zero cutting speeds at the center. PC5300’s exceptional toughness makes it the perfect inner insert to resist the crushing forces and impact that cause standard CVD inserts to chip.
Technical Specifications:
| Brand | Korloy (100% Genuine) |
| ISO Designation | SPMT050204-PD |
| Corner Radius (r) | 0.4 mm |
| Grade | PC5300 (Premium Universal PVD) |
| Primary Application | Stainless Steel, Steel, Heat-Resistant Alloys |
Core Performance Benefits:
- Extreme Toughness: PVD coating provides a sharper and more impact-resistant edge compared to CVD grades, ideal for interrupted cuts.
- Universal Compatibility: Reduces inventory costs by performing excellently across multiple material groups (P, M, K, S).
- Superior Surface Finish: The sharp "PD" geometry minimizes cutting resistance, reducing vibration in thin-walled workpieces.
- Anti-BUE Coating: The TiAlN layer prevents Built-Up Edge (BUE) when machining "gummy" materials like 304/316 stainless steel.
Recommended Cutting Parameters:
| Material Group | Cutting Speed (Vc) | Feed Rate (fn/fz) |
|---|---|---|
| Stainless Steel (304/316) | 70 - 150 m/min | 0.05 - 0.12 mm/rev |
| Carbon/Alloy Steel | 90 - 180 m/min | 0.06 - 0.14 mm/rev |
| Inconel / Titanium | 20 - 55 m/min | 0.04 - 0.09 mm/rev |
Compatible Tooling Systems:
Ensure maximum stability with these professional 05-pocket systems:
- Indexable U-Drills: King Drill (15.5mm - 21mm Range)
- Milling Cutters: SPMT 05-type End Mills & Face Mills
Machinist Tip: The "Safety First" Grade
Why Korloy PC5300 is essential for your workshop:
Best for Interrupted Cuts & Stainless. If your machine is older, your setup has vibration, or you are drilling tough stainless steel, PC5300 is the most "forgiving" grade that prevents catastrophic tool failure.
Best for Mass Steel Production. Use PC3500 for the outer pocket when drilling only Carbon Steel at high speeds to maximize wear resistance.
Pro Advice: For a 18mm U-drill, the "Inner/Outer Combo" is key. Using PC5300 on the inner pocket and PC3500 on the outer pocket is the secret to balancing toughness and speed in steel production.
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.