Standar DIN, ASTM/ANSI JIS EN ISO, AS, GBKelas Baja: 4/6/10/12 SAE: Gr.2, 5, 8;Finishing Seng (Kuning, Putih, Biru, Ireng), Hop Dip Galvanis (HDG), Oksida Ireng, Geomet, Dacroment, anodisasi, Berlapis nikel, Berlapis seng-nikel
Mur heksagonal
Bahan: baja karbon, baja tahan karat