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    2. 新聞中心 首頁 > 技術知識 > 正文

      內六角螺栓尺寸標準

      文章作者:華隆緊固件 發布日期:2016-12-16

      內六角螺栓

        內六角螺栓尺寸標準:

        1)內六角螺栓內六角口部允放銷許倒圓或沉孔;

        2)內六角螺栓末端倒角d<=M4的為輾制末端;

        3)內六角螺栓不完整螺紋的長度U<=2P;

        4)內六角螺栓頭的頂部棱邊可以是圓的或倒角的,由制造者任選;

        5)內六角螺栓底部棱邊可以是圓的或倒角到Dw,但均不得有毛刺;

        6)內六解螺栓標準:GB/T2672、GB/T2673、GB/T2674、GB/T6190和GB/T6191

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      *亚洲日本欧美天堂在线,日本А∨天堂在线视频,亚洲日本旡码av,日韩AV国产AV欧美旡码天堂,日韩av国产欧美aⅴ综合av
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