Hexagon head screws with captive washer
带附带垫圈的六角头螺钉
发布日期:
2017-01-01
JIS B 1187:2017规定了一般用途的钢和黄铜六角头螺钉及附带垫圈。本标准中规定的六角头螺钉是通过在滚动螺纹之前将垫圈安装到螺钉毛坯上,从而使垫圈不会从螺钉上脱落而制造的螺钉。
JIS B 1187:2017 specifies the steel and brass hexagon head screws with captive washer for general purposes. The hexagon head screws specified in this Standard are screws manufactured by mounting a washer onto the screw blank before rolling the threads so that the washer does not fall from the screw.