CNC Machining Resources
Free engineering resources, reference charts, and design guides for CNC machining. Bookmark these pages — they are updated regularly with the latest industry data.
Reference Charts & Guides
CNC Machining Tolerance Chart
Comprehensive tolerance reference by process: milling, turning, wire EDM, 5-axis, and grinding. Includes ISO IT grade table and tolerance specification guide.
View resourceSurface Roughness Reference Chart
Ra values from 0.1 to 12.5 μm with descriptions, process methods, and applications. Includes Ra/Rz/RMS/N-grade conversion table and cost impact analysis.
View resourceMaterial Properties Comparison
Compare 36 CNC machining materials side-by-side. Sortable table with tensile strength, hardness, density, machinability, and cost tier. Includes material selection guide.
View resourceComplete DFM Guide
Design for Manufacturability pillar guide: wall thickness, corner radii, hole depths, thread design, tolerances, surface finish, file formats, and common mistakes checklist.
View resourceMore Resources
DFM Articles
10 in-depth DFM articles covering every aspect of CNC design optimization
Material Guides
36 material detail pages with properties, applications, and machining tips
Process Guides
Detailed guides for milling, turning, EDM, 5-axis, and surface finishing
Industry Solutions
CNC machining solutions for aerospace, medical, automotive, and more
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