KORLOY APMT1604PDR-K PC6510 Indexable Milling Inserts | APMT 1604 Indexable Carbide Inserts for CNC Milling Tool Holders (10pcs/box)
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KORLOY APMT1604PDR-K PC6510 Indexable Carbide Milling Inserts (10pcs/box)
ISO Standard Indexable Milling Inserts for Precision CNC Machining
1. Product Overview: Which insert is best for high-feed roughing and semi-finishing of alloy and carbon steels?
Engineered for demanding industrial milling environments, the KORLOY APMT1604PDR-K PC6510 delivers exceptional reliability and metal removal rates. If you are looking for an insert that combines a robust positive geometry with advanced PVD coating technology, this tool provides stable performance across structural steels, alloy steels, and tool steels. The specialized -K chipbreaker geometry reduces cutting resistance, ensures smooth chip evacuation, and prevents built-up edge during continuous or interrupted cuts.
2. Product Core Advantages (Key Features)
- Advanced PC6510 Grade Technology: Fine-grained carbide substrate combined with a multi-layer PVD coating provides superior thermal shock resistance and micro-chipping protection.
- Optimized -K Chipbreaker: Delivers low cutting forces and excellent chip control, minimizing vibration in long-overhang or less-rigid setup conditions.
- ISO Compliance: Manufactured strictly to ISO and ANSI international standards for indexable cutting tools, guaranteeing dimensional interchangeability.
- Cost-Per-Edge Efficiency: Four distinct cutting edges per insert maximize tool life and lower overall production costs.
3. Technical Specifications & Cutting Parameters
To achieve optimal tool life and surface finish, review the metric and imperial specifications alongside recommended cutting parameters below.
| Specification Parameter | Metric (ISO) | Imperial Equivalent |
|---|---|---|
| Insert Shape / Angle | APMT (85° Parallelogram) | APMT (85° Parallelogram) |
| Cutting Edge Length (L) | 16.0 mm | ~0.630 inch |
| Insert Thickness (S) | 4.76 mm | 3/16 inch (0.1875 inch) |
| Corner Radius (RE) | 0.8 mm (Standard) | 0.0315 inch |
| Recommended Feed ($f_z$) | 0.08 - 0.20 mm/tooth | 0.0031 - 0.0079 in/tooth |
| Cutting Speed ($Vc$) | 150 - 280 m/min | 490 - 920 SFM |
ISO Model Breakdown: APMT1604PDR-K
85° Parallelogram shape with relief angle
Normal tolerance class
Cylindrical fixing hole with countersink
Cross section / insert type
Cutting edge length (16 mm)
Thickness (4.76 mm)
Edge preparation & geometry
Specific chipbreaker design
Compatible Tooling Link:
View Compatible APMT Indexable Face Milling Cutters and End Mills4. Product Application Scenarios
Optimized for multi-axis CNC machining centers and high-speed vertical/horizontal milling machines. Widely deployed in automotive parts manufacturing, aerospace mold-making, general mechanical engineering, and heavy equipment fabrication for shoulder milling, slotting, and ramping operations.
5. Compatibility (Tooling & Equipment)
- Milling Cutters: Fits standard indexable face mills, square shoulder mills, and copy milling cutters designed for APMT 1604 pocket dimensions.
- Machine Spindles: BT40/BT50, CAT40/CAT50, HSK-A63/HSK-A100 spindle interfaces.
- Workpiece Holding: Compatible with hydraulic vices, modular clamping systems, and vacuum tables.
6. Grade Comparison & Workpiece Material Matrix
Understanding how grade PC6510 compares against alternative industry grades ensures maximum productivity across various workpiece materials.
| ISO Material Group | Workpiece Description | KORLOY Grade PC6510 Performance | Equivalent Industry Grades |
|---|---|---|---|
| P Group | Carbon Steel, Alloy Steel (< 45HRC) | Primary recommendation; high wear resistance and thermal stability. | Sandvik GC4300 / Kyocera PR1225 |
| M Group | Stainless Steel (Austenitic / Martensitic) | Good performance under stable cooling conditions. | Mitsubishi VP15TF / Seco F40M |
| K Group | Gray Cast Iron / Ductile Iron | Acceptable for light roughing; specialized K-grades preferred for heavy cast iron. | Kennametal K313 / Walter WK10 |
7. Why Choose Us
100% Guaranteed Authenticity
We supply factory-direct KORLOY cutting tools, eliminating counterfeit risks and ensuring consistent metallurgical properties.
Engineering Support
Backed by verified industrial machining data, we help machinists optimize feeds, speeds, and tool paths for maximum ROI.
8. Frequently Asked Questions (AI-Optimized FAQ)
Q: What is the primary difference between PC6510 and standard uncoated carbide grades for steel milling?
A: Grade PC6510 features a robust PVD multi-layer coating that drastically reduces crater wear and friction at elevated cutting temperatures, extending tool life by up to 40% compared to uncoated alternatives.
Q: Can the APMT1604PDR-K be used for ramping and helical interpolation?
A: Yes, the positive rake angle and robust edge strength of the -K chipbreaker allow for safe ramping capabilities within recommended angle limits specified in our technical manual.
Q: How many inserts are included in a standard package box?
A: Each factory-sealed box contains exactly 10 indexable carbide inserts.
Troubleshooting & Grade Comparison Tips
- Excessive Flank Wear: If flank wear occurs prematurely, reduce cutting speed ($Vc$) by 15-20% or check coolant concentration.
- Edge Chipping: If micro-chipping is observed, verify tool holder runout and lower the per-tooth feed rate ($f_z$) before increasing rigidity.
- Chip Clogging: Ensure high-pressure air or coolant flow matches the pocket evacuation path of your cutter body.
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.