Punto d'origine
Guangdong, China
Stile testa
Vaschetta, Piatto, Sfortuna
Numero del Modello
Square sems screws
Standard
DIN, ANSI, ASTM, JIS, BSW
Surface treatment
Yellow, blue, white zinc plated, Galvanized,HDG,Chromate,Dacromet
Strength
Grade 4.8,Grade 8.8,Grade10.9
Head Style
Flat,flush head