Self-management is a characteristic of many forms of socialism, with proposals for self-management having appeared many times throughout the history of the socialist movement, advocated variously by market socialists, communists, and anarchists. There are many variations of self-management.
The Loctite 0.2 fl. oz. Blue 242 Thread Locker is designed to lock and seal threaded fasteners to prevent loosening from vibration. It prevents leaks and the rusting of threads. It eliminates the need to stock expensive lock nuts and lock washers. California residents: see Proposition 65 information.
A thread is a ridge of uniform section in the form of a helix on the internal or external surface of a cylinder (IFI description) or it could be described as a sloping plane curled around a cylinder. External threads are on bolts or screws. Internal threads are on nuts. There are many forms of threads but two types are in common use on fasteners. Machine Screw Threads - used on bolts, setscrews, machine screws and designed to mate with preformed threads in nuts or tapped holes.