Channels washer: fit for construction as a structural component of framing and others subsystems, for channels or square tubing, etc,square washer plate
Flat square plate: with sturdy texture and smooth surface, this square washer can be used safely,flat square washers
Square flat washers: made of stainless steel material, it will not be easily damaged,stainless steel square washers
Square washers hardware: the installation method is simple and will not take you too much time,square steel washers
Square washers with hole: the well-processed square washer has smooth surface and can be used safely,washers for industry