bolt
preferred label: پیچ نر @fa
type: Concept
related: bolted joint

bolted joint
related: bolt
broader: joint (structural components)
preferred label: اتصال پیچی @fa
type: Concept

joint (structural components)
preferred label: اتصال (اجزای سازه‌ای) @fa
type: Concept
narrower: bolted joint