![六角头螺杆带孔螺栓细杆B级|GB31.2-88[标准 技术参数]](http://www.posttic.com/20150810/2015081010/20150810100324zdbftusdrlh.jpg)
UDC 621.882.6 | GB 31
![六角头头部带孔螺栓A和B级|GB32.1-88[标准 技术参数]](http://www.posttic.com/20150810/2015081010/20150810100338k3050aq2luy.jpg)
UDC 621.882.6 | GB 32
![六角头头部带孔螺栓细杆B级|GB32.2-88[标准 技术参数]](http://www.posttic.com/20150810/2015081010/2015081010034654ggj1upxtx.jpg)
UDC 621.882.6 | GB 32
![六角头螺杆带孔螺栓细杆B级|GB31.2-88[标准 技术参数]](http://www.posttic.com/2015080816/20150808160309hg23c0pasw3.jpg)
UDC 621.882.6 | GB 31
![圆螺母—恻面带孔|DIN548[标准 技术参数]](http://www.posttic.com/20150810/2015081011/20150810110739w4jdnnxhnod.jpg)
DIN 548
产品名称 45#钢H
产品名称A2-DIN705侧面带孔圆螺母标准DIN705材质A2-70(SUS304)表面
![开槽头部带孔球面圆柱头螺钉|DraftRevisionASMEB18.6.32002[标准 技术参数]](http://www.posttic.com/20150810/2015081011/20150810113056annb0x3vah3.jpg)
开槽头部带孔球面圆柱头螺钉
![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
![GB/T31.2-1988-细杆六角头螺杆带孔螺栓[标准|规格]](http://www.posttic.com/d/file/biaozhun/2015-10-30/eb85789a69353dd024f9a2eb6be54da1.jpg)
国标GB /T31.2-1988 GB31.2 31.2GB(GB31-1976 细杆六角
![侧面带孔圆螺母-CNS4433-1993[标准|规格]](http://www.posttic.com/d/file/biaozhun/2015-12-12/6907cc4f5379bfe88a165e75aba4fa9c.jpg)
台湾标准CNS 4433-1993 CNS4433 4433CNS 侧面带孔圆螺母