Stainless steel double thread bolts

Stainless steel double-thread bolts are made of stainless steel. Maybe we are sometimes used to calling stud bolts double-headed studs. The most common form of stud bolts is that there are threads on both ends and the middle is a bare rod. Standard identification of stainless steel double-thread bolts: thread standard d=M12, nominal length L=80mm, performance level 4.8, and the full mark of the same length stud bolt is: GB/T901M12x80. Use of stainless steel stud bolts: used in large-scale equipment, which requires the installation of accessories, such as sight glasses, mechanical seal seats, reducer racks, etc. This is the stud bolt used. One end is screwed into the main body, and the other end is nutted after the accessories are installed. Because the accessories are often disassembled, the threads will be worn or damaged, and it is very convenient to use stud bolts to replace them; when the thickness of the connecting body is very large and the bolt length is very long, stud bolts w…