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Hello everyone ! I'm making a welding mall ,and i need to put a spring in there that pushes the bolts back against the backstop,there will be to sizes of bolts with a difference of 20mm from each other, i need to figure out what spring to use?

Question asked by Mahdi El Qandyly on Nov 3, 2020
Latest reply on Nov 4, 2020 by Mahdi El Qandyly