苏州不锈钢螺丝生产厂家外六角螺钉产品全名:DIN933全牙外六角螺栓 苏州不锈钢螺丝
8.8级GB5783全牙外六角螺栓-热镀锌 苏州不锈钢螺丝生产厂家外六角螺栓产品全名
![端面带孔圆螺母|GB815-88[标准 技术参数]](http://www.posttic.com/20150810/2015081010/20150810100920ylmgb3cycgx.jpg)
UDC 621.882.3 | GB 81
![嘉兴[销|带孔销]螺丝厂供应45#钢HRC38-46 GB880带孔销](http://www.posttic.com/d/file/shanghai/xiaoyuding/daikongxiao/2015-08-28/4a775548796f7da26b841e5de09a75d8.jpg)
嘉兴[销|带孔销]螺丝厂长时间供应45#钢HRC38-46GB880带孔销,(同时嘉兴螺丝
![GB/T31.1-1988-六角头螺杆带孔螺栓[标准|规格]](http://www.posttic.com/d/file/biaozhun/2015-10-30/71849d8f3d6695127d92aea00732e65f.jpg)
国标GB /T31.1-1988 GB31.1 31.1GB(GB31-1976 六角头螺
![精制美制六角头杆部带孔螺钉-BS1768-1963[标准|规格]](http://www.posttic.com/d/file/biaozhun/2015-12-09/6bb9f34c3c18b2d6f6b43f0ab37db68e.jpg)
英标BS 1768-1963 BS1768 1768BS 精制美制六角头杆部带孔螺钉