DIN6912 内六角中心孔圆柱头螺钉

上海元销紧固件有限公司专业生产销售DIN6912内六角圆柱头带孔螺钉，碳钢产品材料有8.8级，10.9级，12.9级，不锈钢产品材料有304,316,316L,904，904L,A4-80等，表面处理有热镀锌，发黑，,镀白锌、环保白锌，达克罗，磷化，久美特，机械镀锌，电泳黑色等，公司产品库存量大，规格从M4-M36产品基本有库存现货销售，支持小批量出货，接受小批量产品定做，产品包装纸盒中性包装，产品出货托盘打包整理出货，保证出货产品的质量。                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               http://www.mczyw.com;