Steel U-channel mounting hardware

​Stiffener prevents drawing sign into channel. 
Part numbers pictured:

• ​H4 offers the complete set of parts shown
• H4B 5/16 x 2-1/2 inch galvanized bolt
• H4N 5/16 inch hex nut
• H4W fiber washer
• H4S 3 x 1-1/2 inch washer