Domestic and international diesel-powered-vehicle manufacturers such as Mack Trucks Inc. in Allentown, Pa., Peoria, Ill.-based Caterpillar, Shanghai Diesel Engine in China, and International Truck and ...

A special thread form keeps bolts and nuts tight under vibration by attacking the problem from a different angle. Two conventional methods for securing threaded fasteners against preload loss include ...

Tapping screws form mating threads in materials they are driven into. There are two basic types: thread forming and thread cutting. The thread-forming screw displaced material around the pilot hole so ...