Are you aware of a component does not create added value, while is significant and indispensable for products? That is fasteners. For a product, a fastener only fixes the parts, and has barely no effect on the utilization.
DFMA Tips
Design For Manufacturability Design for Manufacturing(DFM
Design for Assembly: Principles, Application and Guidelines
Design Guidelines for Manufacturing and Assembly - Reducing the
DFMA Tips
DFMA Tips
The Basics of Design for Assembly (DFA) - SyBridge Technologies
Use DFM, DFA or DFMA (Design for manufacturing & assembly)?
DFMA guidelines for Mechanical product development