Numero del Modello
D shape
Standard
ISO,DIN ,ANSI ,JIS ,GB, BSW , ASE, IFI ,,UNI
Material
Carbon Steel , Stainless steel , Platisc , Nylon ,
Grade
4.8, 8.8 ,10.9,12.9 , A2-70, A4-80
Color
Silver Purple Black Yellow etc
Surface
Black , Zinc Plated , Hot Dip Galvanzied , Pakshal