Nuts(DIN934/985/6923/1587/315/6334) Bolts(DIN603/933/931/571), Washers(DIN125/440/9021), Stamping parts and Channel fittings (Channel nuts : no spring channel nuts / short spring channel nuts/ regular spring channel nuts/long spring channel nuts / top spring channel nuts / EZ cone channel nuts /Hanger rod stiffener ( all the channel nuts to US market with case harden )