Perfect positioning with threaded spacers and standoffs

Self Clinching Standoffs, Blind Standoffs, Thru-Hole Standoffs

Guide to Fastening Hardware Using Surface Mount Technology

PCB standoffs - separator and risers of PCB boards and electronic components - IBE Electronics

What are PCB standoffs for： Standard Size, Uses and Placement - RAYPCB

Essential Hardware: Hex Spacers for Precision Engineering, by Ritik Chaudhary

How To Install a StandOff Cap and Barrel System

How to: Use Standoffs for Display - Mockett

Standoffs by UNICORP Standard/Metric-Stock/Custom, Hex/Round/Square/28 finishes- Official Site

What are PCB standoffs for： Standard Size, Uses and Placement - RAYPCB