The Definitive Guide to harga besi hollow
As proven while in the determine, tightening the bolt ends in a wedge being pushed up towards a sleeve, which expands it and triggers it to compress in opposition to the fabric it is actually becoming fastened to.Sebelum dimasukkan, pastikan angkur telah dibersihkan dari kotoran dan debu yang menempel pada permukaannya. kalian bisa menggunakan kuas