Top latest Five besi grating Urban news
As revealed while in the figure, tightening the bolt leads to a wedge getting driven up in opposition to a sleeve, which expands it and causes it to compress versus the fabric it can be being fastened to.Pastikan juga untuk memilih angkur sesuai dengan kebutuhan dan spesifikasi konstruksi. Jadi, mengetahui apa itu angkur dan jenisnya sangat penting