https://www.cjmetalparts.com/screws-nuts-and-springs/square-nut.html https://www.cjmetalparts.com/uploads/202332581/small/square-nutea4c07e2-0d14-40b5-b68a-9647b3049ed9.jpg Square Nut Customized precision fastener Prototyping service available Small orders acceptable raw material: steel or stainless steel https://www.cjmetalparts.com/Content/upload/video/202332581/video202307261620217650808.mp4 2023-07-26T16:23:01+08:00 yes no