The shown capital 1 with z = 4 unregulated metric screws with material 5.6 and average good workmanship with diameter Do is connected to the serrated crown 2. On the diameter where the screws of the connection are located, a peripheral force Ft = 2.3 * 10 ^ 3 acts. The material of the cap 1 and the serrated wreath 2 is molten steel. It is necessary to perform sizing in case of unidirectional variable load and to calculate the value of the surface pressure of the threads of the nut
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The specification Class 4.6 Threaded Rod is a standard that covers fasteners manufactured from either Low carbon steel or medium carbon steel. ... The ultimate material strength of Grade 4.6 Threaded Rod is 40 Mpa while its yield strength or the proof stress is 60% that of the ultimate strength.
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