![双头螺柱—旋入端长度≈1.25d|DIN939[标准 技术参数]](http://www.posttic.com/20150810/2015081010/20150810104735apclzr3wjw4.jpg)
DIN 939
![等长双头螺柱B级|GB901-88[标准 技术参数]](http://www.posttic.com/20150810/2015081010/20150810100649mqdi2cqnsf0.jpg)
UDC 621.882 | GB 901-
产品名称35CRMO-HG20634全螺纹螺柱 标准HG20634材质35CRMO
产品名称 35CRMO-HG20613全螺纹螺柱(M12-M20)
![DIN939-1995-粗杆双头栓b1=1.25d[标准|规格]](http://www.posttic.com/d/file/biaozhun/2015-10-30/f0817496e8dc8158833756b72788d81c.jpg)
德标DIN 939-1995 DIN939 939DIN 粗杆双头栓 b1=1.25d
![JB/T2773-1992-双头螺柱[标准|规格]](http://www.posttic.com/d/file/biaozhun/2015-11-17/4040b25f404e12611c1888e5254f6e7b.jpg)
原机械部JB /T2773-1992 JB2773 2773JB 双头螺柱
![HG/T20613-2009-等长双头栓[标准|规格]](http://www.posttic.com/d/file/biaozhun/2015-11-19/853079ee34d4900516d68e1b42079036.jpg)
化工标准HG /T20613-2009 HG20613 20613HG(GB90 等长双头
![PN250MPa双头螺柱-JB/T1308.14-1999[标准|规格]](http://www.posttic.com/d/file/biaozhun/2015-12-05/0e66bb9339f7f58a53e37140dcf6f23c.jpg)
原机械部JB /T1308.14-1999 JB1308.14 1308.14J PN 2
![PD型电弧焊用焊接螺柱-GB/T902.2-2010[标准|规格]](http://www.posttic.com/d/file/biaozhun/2015-12-09/b5d16d70549f7b669ad1384bb60dd847.jpg)
国标GB /T902.2-2010 GB902.2 902.2GB PD型电弧焊用焊接螺柱