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6mm罗丝追扣应用多少mm的钻头

更新时间: 2021-04-09 10:44:10     

1、一般来说,6毫米的孔应该使用M5的螺丝;但是若孔是加工差,也勉强可以用M6的螺丝。通常6mm膨胀螺栓,其膨胀头端部有7mm左右,所以需采用8mm的转头才能确保膨胀螺栓顺利插入墙内。

2、膨胀螺丝的固定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。

3、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。

关键词: 6mm 应用 多少 mm 钻头

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