KORLOY APMT 1604PDSR PC5300 Milling Insert
KORLOY APMT 1604PDSR PC5300 is a versatile carbide milling insert designed to deliver outstanding performance in machining steel, stainless steel, cast iron, and heat-resistant superalloys. Combining the PC5300 carbide grade with a TiAlN PVD coating, it provides excellent wear resistance, superior protection against built-up edge, and extended tool life across a wide range of milling applications.
The APMT 1604PDSR geometry features a sharp cutting edge and optimized chipbreaker design that reduces cutting forces while ensuring stable chip evacuation. This makes it an excellent choice for shoulder milling, slot milling, face milling, ramping, and general-purpose machining. Its balanced geometry delivers high-quality surface finishes while maintaining reliable performance even under interrupted cutting conditions.
Thanks to its versatility and cost-effectiveness, the KORLOY APMT 1604PDSR PC5300 insert is widely used in CNC machining centers, job shops, and high-volume production environments.
Key Features
 
 
Multi-purpose carbide milling insert
 
 
TiAlN PVD-coated PC5300 grade
 
 
Excellent wear resistance
 
 
High resistance to built-up edge
 
 
Low cutting forces
 
 
Stable chip control
 
 
Excellent surface finish
 
 
Long tool life
 
 
Reliable performance in interrupted cutting

Technical Specifications
SpecificationValueInsert DesignationAPMT 1604PDSRGradePC5300CoatingTiAlN PVDInsert TypePositive Milling InsertApplicationsShoulder Milling, Face Milling, Slot Milling, General MillingISO Material GroupsP, M, K, S
Recommended Applications
The PC5300 grade is suitable for machining:
 
 
Carbon Steel
 
 
Alloy Steel
 
 
Stainless Steel
 
 
Cast Iron
 
 
Heat-Resistant Superalloys

Korloy Grade Selection
GradeRecommended ApplicationPC5300General-purpose milling of steel, stainless steel, cast iron, and superalloysPC5400Interrupted cuts and heavy-duty milling requiring high toughnessPC3600Optimized for steel machiningPC6510Cast iron machiningNC5330Next-generation PVD grade for high-performance steel and stainless steel millingNCM325Stainless steel and difficult-to-machine materialsNCM335Stainless steel requiring superior wear resistanceH01Uncoated polished grade for aluminum and non-ferrous materials
Available Chipbreaker Geometries
Korloy APMT 1604 inserts are available with several chipbreaker geometries to suit different machining conditions.
MM
General-purpose machining.
MF
 
 
Light cutting
 
 
Reduced cutting forces
 
 
Excellent surface finish

ML
Designed for difficult-to-machine materials.
MA
Optimized for aluminum and non-ferrous metals.
Advantages of PC5300 Grade
The PC5300 carbide grade combines a fine-grain carbide substrate with advanced TiAlN PVD coating, providing:
 
 
Excellent abrasion resistance
 
 
High thermal stability
 
 
Reduced built-up edge formation
 
 
Improved oxidation resistance
 
 
Longer tool life
 
 
Consistent machining performance
 
 
Superior edge security

Typical Applications
The KORLOY APMT 1604PDSR PC5300 insert is commonly used for:
 
 
Shoulder milling
 
 
Face milling
 
 
Slot milling
 
 
Step milling
 
 
General-purpose CNC milling
 
 
Mold and die machining
 
 
Precision component manufacturing

Benefits
 
 
High machining productivity
 
 
Stable cutting performance
 
 
Reduced machining costs
 
 
Excellent dimensional accuracy
 
 
Improved surface quality
 
 
Longer insert life
 
 
Lower tooling costs per component

Conclusion
The KORLOY APMT 1604PDSR PC5300 is a high-performance carbide milling insert developed for a wide variety of milling operations. Its combination of PC5300 TiAlN PVD coating, sharp cutting geometry, and optimized chipbreaker design delivers excellent wear resistance, smooth chip evacuation, and reliable machining performance across steel, stainless steel, cast iron, and heat-resistant alloys.
Whether used in general machining, precision milling, or high-volume production, the APMT 1604PDSR PC5300 offers an excellent balance of productivity, surface quality, and cost efficiency, making it an ideal solution for modern CNC milling applications.


KORLOY APMT 1604PDSR PC5300 | Carbide Milling Insert for Steel & Stainless Steel


KORLOY APMT 1604PDSR PC5300 carbide milling insert for steel, stainless steel, cast iron, and superalloys. Long tool life and excellent milling performance.