圆上泽文大学 OUTLINE © Threaded Fasteners introduction ©Stiffness Analysis ©Strength Analysis ©Fatigue Analysis 圈上泽夫道大学 Classification by intended use Bolt:when it is intended to be used with a nut to clamp an assembly together.The bolt remains stationary while nut is torqued. Screw:when it is threaded into a tapped hole rather than used with a nut.Screw is torqued into place. 22 Threaded Fasteners introduction Stiffness Analysis Strength Analysis Fatigue Analysis OUTLINE Classification by intended use  Bolt : when it is intended to be used with a nut to clamp an assembly together. The bolt remains stationary while nut is torqued.  Screw: when it is threaded into a tapped hole rather than used with a nut. Screw is torqued into place