If the hole is drilled into a hollow wall what should I do if the expansion screw cannot be tighte

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[@user-kr3il7hr9j]

如果唔趕時間, 可以用釘膠灌入孔中, 把螺絲收緊少少挿入去. 24小時後再收緊螺絲.

[@chbengtan7266]

哈哈，好主意！

[@hahonghoi421]

鑽牆孔應比拉爆小才對

[@suyuhui3237]

... 謝謝分享，南無阿彌陀佛。

[@user-gk3ff9gy8i]

空心牆根本不能承重，過重牆體會容易爆裂！

[@cwk5008]

有石膏板螺絲

[@user-bigkonlong]

呃！可以用別種類的！

[@lai5478]

😰