Not known Facts About harga besi hollow
As revealed inside the figure, tightening the bolt brings about a wedge remaining pushed up from a sleeve, which expands it and triggers it to compress against the fabric it truly is getting mounted to.Pastikan juga untuk memilih angkur sesuai dengan kebutuhan dan spesifikasi konstruksi. Jadi, mengetahui apa itu angkur dan jenisnya sangat penting d