Product name
roofing screw with epdm washer
Material
316 410 stainless steel, carbon steel,brass,titanium,etc.
Head type
Hex head,flange hex head,custom
Surface Treatment
Galvanization,Nickel-plated,Black oxide,Dacromet
Application
roof,solar mounting,frame screws
Advantage
high quality,waterproof,custom
country
taiwan,American,Australia,Canada,etc