Allied Fasteners HomeAllied Fasteners Allied Fasteners – All types of general purpose fasteners are available for industrial use like Hex Bolt, Allen bolt, CSK Allen, Machine screw, self Tapping screw etc.– Various types of nuts like Hex Nut, Check Nut, Nylock Nut, spring Nut, Pal Nut, Castle Nut etc.– Various types of washers like round washers, square washers, taper washers, Hill side washers, tab washers etc.– All types of expansion fasteners like concrete anchor, Heavy duty anchor, Wedge anchor, chemical anchor etc.– All products available in different grades and finishes.