Hot dip galvanized applied with structural bolts A325 3/4" Flat washer F436 Thick, strong, and heavy duty washers Typically found in steel to steel structural connections Usually applied with structural bolts ... Read More
Zinc plated surface applied with structural bolts A490 7/8" F436 Flat washer F436 Material Grade are hardened flat washers which have a Rockwell Hardness value ranging between 38 to 45 HRC. These washers can ... Read More
Hardened HRC 26-45 steel black finish 5/8 inch Structural Flat washer F436 A washer is a thin plate (typically disk-shaped, but sometimes square) with a hole (typically in the middle) that is normally used to ... Read More