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Subject: Grade 8 place bolts tech. кто знает, что это за грейды?Grade 8 place bolts and hardened washers are recommended to mount the drive discs to the flywheel и еще Secure the feet of the generator with grade 5 or greater bolts through the holes provided in the mounting feet. я как-то не соображу, что писать в переводе по поводу этих грейдов |
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Grade 5 bolts have 3 marks or lines on the head that are in the shape of a “Y”. Grade 8 bolts have 6 marks on the head. |
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