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膨胀螺栓安装孔尺寸

膨胀螺栓安装孔尺寸

浏览：187次 | 提问时间： 08-04 11:14

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6个答案

岁月是朵两生花 08-04 11:15

一般10的，6……8公分长首先确定电热水器的安装位置，安装位置需要满足以下条件：a、安装空间要满足热水器安装和维修空间，正常电热水器维修盖侧要求预留50cm，根据情况至少要预留20cm空间；b、安装位置要预留有地漏；以防自来水压较大时漏水溢流；c、预留冷热水管位置要与水箱安装位置相匹配；d、挂电热水器的墙体是称重墙体，非空心砖结构；e、有电源，安装位置到电热水器满足电源线长度；其次确定电热水器挂架孔尺寸，根据安装位置、挂架尺寸和冷热水管位置，确定挂墙打孔位置。最后打孔打膨胀螺栓，将电热水器挂墙安装，用热熔器安装PPR管路，在进水口安装安全阀。

不俗 08-04 11:23

以螺是栓直径来打，一般有8、10毫米的。

朝着阳光走 08-04 11:32

它轴是6.比如M6的膨胀螺丝各规格不同的,打孔就要用8个的钻头,而外面的套筒是8毫米的.我公司专业生产不锈钢膨胀螺丝.同理

我愿溺水但你不会救我 08-04 11:40

一般选用M8的膨胀螺栓(根据安装件的径），加4mm即12mm来定基孔，M10以下可以加2mm，可能紧点。安装时用手将螺母平垫旋豫螺杆上顶住涨套，这时将膨胀螺栓敲进孔里至后套口与墙面平齐，拆下螺母平垫装上需固定的物件，用螺帽旋紧即可。

旅人不扰 08-04 11:48

选择电锤头尺寸比膨胀螺丝的尺寸大2毫米即可。如M10用M12锤头。

slent黑白年代 08-04 11:57

打孔大小是根据膨胀螺丝的的膨胀管外径大小打的，外径多大就打多大的孔。M8膨胀螺丝的膨胀管外径是12mm，所以打孔为12mm。M10膨胀螺丝的膨胀管外径是13mm，所以打孔为13mm。膨胀螺丝一般说的是金属膨胀螺丝，膨胀螺栓之固定乃是利用楔形斜度来促使膨胀产生摩擦握裹力，达到固定效果。螺钉一头是螺纹，一头有锥度。外面包一铁皮（有的是钢管），铁皮圆筒（钢管）一半有若干切口，把它们一起塞进墙上打好的洞里，然后锁螺母，螺母把螺钉往外拉，将锥度拉入铁皮圆筒，铁皮圆筒被涨开，于是紧紧固定在墙上，一般用于防护栏、雨篷、空调等在水泥、砖等材料上的紧固。但它的固定并不十分可靠，如果载荷有较大震动，可能发生松脱，因此不推荐用于安装吊扇等。

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