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What are the causes of stainless steel socket cap screws fracture?

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  What are the causes of stainless steel socket cap screws fracture? Mr. Tong (in) other places before ordering a batch of  stainless steel socket cap screws , self tapping type, but found that when using fracture, and they don’t have to solve his problem Mr. Tong, behind Mr. Friend, introduced found the stone project, ask him this kind of situation is what reason, is there a way to solve? Generally speaking, screw fracture is related to the tensile strength of the material, the bottom diameter of the screw, whether there is R Angle, groove depth, hardness, and so on.   Then Mr. He asked Mr. Tong about the specifications of the screw, whether it was made of A2-50 or A2-70, or other stainless steel materials, as well as the bottom diameter of the screw, and how much torque Mr. Tong had when using it. He also asked Mr. Tong to provide the drawings and pictures of the samples. But Mr. Tong only knew the specifications of  stainless steel socket cap screws  and the ...