4-Axis CNC Milling

4-axis CNC milling adds a rotary axis to the standard X, Y, and Z movements, typically rotating around the X-axis or Z-axis. This allows machining of cylindrical features, angled surfaces, and multiple faces in a single setup—reducing repositioning errors and improving accuracy. 4-axis milling is suited for parts with features around a central axis, including helical slots, cam profiles, parts with angled holes, and components with undercuts that would require multiple setups on a 3-axis machine. The additional axis improves cycle time by eliminating secondary repositioning operations. We apply 4-axis milling across all standard materials and hold tolerances consistent with 3-axis work.

Anodizing

• Clear Anodizing (Type II): Transparent protective layer

• Hard Anodizing (Type III): Thick, wear-resistant coating for moving surfaces

• Color Anodizing: Black, gold, red, blue, and custom colors

• Chromic Acid Anodizing: Thin coating for aerospace fatigue-critical parts

Chemical Finishes

• Chem-Film (Alodine): Conductive corrosion protection for electronics

• Passivation: Surface cleaning and oxide layer stabilization

Coating & Plating

• Powder Coating: Durable polymer finish in any RAL color

• Electroless Nickel Plating: Uniform nickel-phosphorus coating with hardness and corrosion resistance

• PTFE / Teflon Coating: Low-friction, non-stick surface for sliding applications

Mechanical Finishes

• Bead Blasting: Uniform matte texture for prepaint or decorative finish

• Brushing: Directional grain pattern for consumer and architectural parts

• Polishing: High-gloss reflective finish for aesthetic requirements

• Tumbling: Edge deburring and surface smoothing on large quantities

Application Guidelines

• Aerospace exterior: Hard anodizing or chromic acid anodizing

• Medical devices: Passivation or electropolishing

• Consumer visible parts: Brushing + clear anodizing

• High-wear components: Hard anodizing (Type III)

• Electronic applications: Chem-film (Alodine) for conductivity

• Outdoor / marine: Powder coating or e-coating