螺丝头类型
平底锅, 大圆扁头, 平板型, 椭圆形, 圆形, 六角, 芝士, 包边
Name
Stainless Steel DIN912 M4.5 Socket Allen Head Cap Screw With Washer
Material
stainless steel, carbon steel
Surface treatment
passivate, Plating, Anodized, Polishing,power coating.
Size
M2-M12 or according to your requiement