Day November 3, 2026

Use this CNC machining RFQ checklist to prepare drawings, tolerances, material, finishing and inspection requirements. Clear RFQ details help buyers get fair, comparable quotes from CNC suppliers and avoid manufacturing mistakes.

GD&T defines geometric tolerances for CNC machined parts to control form, orientation and feature relationships. This guide shares practical GD&T design tips for engineers, covering common symbols, datum selection and how to avoid over-tolerancing to cut manufacturing cost.