Lnmu0303zer-MJ Lnmu 0303 Balzerss Coating High Feed Cnc Milling Inserts Lnmu 0303zer Lnmu0303 Milling Insert

Upgrade your milling performance with our LNMU0303ZER-MJ indexable inserts. Designed for precision and durability, these inserts are the ideal choice for machinists and manufacturers requiring exceptional results in square shoulder milling, side milling, and slotting applications.

Engineered from premium micro-grain carbide and featuring a specialized MJ chipbreaker, these inserts deliver superior chip control, excellent surface finishes, and extended tool life when machining carbon steel, alloy steel, and cast iron.

Key Features & Benefits:

• Precision 90° Shoulders: Achieve perfect vertical walls and sharp corners with every pass.

• Robust Negative Rake Design: Withstands high cutting forces and allows for aggressive feed rates and depth of cut, ideal for roughing and semi-finishing.

• Optimized Chip Control: The proprietary MJ chipbreaker geometry efficiently breaks chips, reduces heat buildup, and prevents jamming for a smoother, safer operation.

• Exceptional Value: Each insert features four indexable cutting edges, providing a lower cost-per-edge and reducing downtime for changes.

• Wide Compatibility: A standard ISO designation ensures compatibility with major brands of shoulder milling cutter bodies and face mills.

Technical Specifications:

• ISO Designation: LNMU0303ZER-MJ

• Insert Shape: Rectangle

• Clearance Angle: 0° (Negative Rake)

• I.C. (Cutting Edge Length): 9.525 mm (3/8")

• Insert Thickness: 3.97 mm

• Corner Radius: Sharp (0.0 mm)

• Number of Cutting Edges: 4

• Primary Application: Square Shoulder Milling, Side Milling, Slotting

• Recommended Materials: Steel, Alloy Steel, Cast Iron, Stainless Steel

Includes: 10 x LNMU0303ZER-MJ Inserts