紧固件简介：梯形螺杆技术参数:产品种类
紧固件简介：公制双头螺栓≈1.25xd DIN 939 NEN 2
8.8级 45钢-HG20613双头螺柱 东螺不锈钢螺丝生产厂家双头螺柱产品全名:8
A193 B7全螺纹/双头螺柱-发黑 苏州不锈钢螺丝厂家不锈钢美标弹垫产品名称：A1
紧固件简介：公制双头螺栓≈1.25xd DIN 939 NEN 2
![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
![JB/ZQ4325-2006-双头螺柱b1=1.25d[标准|规格]](http://www.posttic.com/d/file/biaozhun/2015-11-23/2b9c2ec4c933bdf49d84fd445714f7d4.jpg)
原机械部JB /ZQ4325-2006 JB4325 4325JB 双头螺柱b1=1.25
![双头螺柱-DIN835-1995[标准|规格]](http://www.posttic.com/d/file/biaozhun/2015-12-07/66d639b21546a2f4996ae1715059b695.jpg)
德标DIN 835-1995 DIN835 835DIN 双头螺柱
![六角头螺杆带孔铰制孔用螺栓-GB/T28-2013[标准|规格]](http://www.posttic.com/d/file/biaozhun/2015-12-22/8ed9325fa02e127ba2d4ba29537a4fe3.jpg)
国标GB /T28-2013 GB28 28GB 六角头螺杆带孔铰制孔用螺栓