Top latest Five harga besi kanal c 6 meter Urban news
As shown within the determine, tightening the bolt ends in a wedge becoming driven up in opposition to a sleeve, which expands it and brings about it to compress versus the material it is currently being fastened to.Untuk memastikan angkur baja yang terpasang benar-benar kuat, ada syarat yang perlu kita lakukan yaitu saat perencanaan dan pembuatan