CNC Machining Hub

Materials & Tolerances

Explore metal and polymer selection plus tolerance standards for CNC machined components.

Close up of a CNC machine cutting a shiny aluminum block

Fixing Surface Finish Issues in CNC Aluminum Parts

Surface finish problems in aluminum parts often stem from tooling, feed rates, or workholding. This guide helps you identify common defects, understand their causes, and

Materials & Tolerances · Oct 3, 2026