Screws Brakes 4 Cams 4 Clutches (Machinery) 4 Gearing 4 Springs (Mechanism) 4 Chains 3 more ... Couplings 3 Machine design 3 Materials 3 Shafting 3 Vibration 3 Fasteners 2 Feedback control systems 2 Flywheels 2 Joints (Engineering) 2 Lubrication and lubricants 2 Mechanical movements 2 Mechanical wear 2 Riveted joints 2 Roller bearings 2 Strains and stresses 2 Tolerance (Engineering) 2 Welded joints 2 Bearings (Machinery) 1 Belt drives 1 Belts and belting 1 Bolted joints 1 Bolts 1 Bolts and nuts 1 less ...