Drillco 3/16 4FL Ball Nose End Mill M42 (665A112A)
Drillco 665A112A 3/16 4FL Ball Nose End Mill M42 is designed for precision milling of contoured surfaces and intricate details. Made from M42 cobalt, this 4-flute ball nose end mill offers superior hardness and wear resistance, ensuring smooth and accurate cuts. Ideal for mold and die work, it prevents sharp corners while delivering high-quality finishes on complex geometries and delicate surfaces.
Ball nose end for rounded details and smooth contouring
Four-flute design for improved finishing and cutting efficiency
M42 cobalt construction for enhanced hardness and durability
Precision-ground edges for consistent performance
Produces smooth, accurate cuts on contoured surfaces
Reduces the risk of sharp corners and surface imperfections
Durable tool life even in demanding milling applications
Versatile for both CNC and manual milling operations
Technical Specifications:
Cutting Diameter: 3/16"
End Type: Ball Nose
Material: M42 Cobalt
Applications: Mold and die work, contouring, finishing on complex geometries
Product identification
- Brand: Drillco
- Model / MPN: 665A112A






