As name suggests, square washers have square body with round hole in the center for the engagement of bolt or screws. Square washers are have larger surface bearing area than flat round washers and thus they develop more friction when tightened. These type of washers are specified for seismic applications. BoltPort produces square washers in metric and imperial sizes with wide range of material options and customization.
Zinc plated steel, stainless steel and hardened alloy steel are most commonly used for manufacturing square washers.
|Forming||Hot & Cold Forged|
|Metric Size||M6 to M100|
|Imperial Size||1/4" to 4"|
|Thickness||Standard and Custom|
|Standards||DIN, ASME, ISO & IS|