您好，您选择了以下零件：请将您的联系信息发送给我们。我们将发送价格并尽快联系您。谢谢！ After the head is taken off, a standard bolt extractor can be used to unscrew the rest within the bolt within the receptacle. One coiled spring washer will probable be enough for light programs of work. If your vibrations are substantial, maybe a double-coiled or triple-coiled spring washer is https://jamesv506qpo1.wikibuysell.com/user