手机:13784219111
传真:0310-6897000
邮箱:1045172477@qq.com扭剪型螺栓
表面磷化,发黑,镀锌,热镀锌,达克罗
GB/T3636
强度级别:10.9s
螺纹:6g
GB/T3632
强度级别:HRC35-45
GB/T3632
强度级别:10H
螺纹:6H
螺栓长度L=链接板厚度+L1
L1=螺母厚度+2×垫圈厚度+(2-3)倍螺距