UNIT 5 DESIGN OF SCREWS FASTENERS Design of Screws AND POWER SCREWS
5 8 Threaded Fastener 5 9 Failure of Bolts and Screws 5 10 Permissible Stresses in Bolts 5 11 Summary 5 12 Key Words 5 13 Answers to SAQs 5 1 INTRODUCTION Screws are used for power transmission or transmission of force A screw is a cylinder on whose surface helical projection is created in form of thread The thread will have specified width and depth which