Metric DIN 93 Single Tab Safety Lock Washers are specilaised washers used as locking devices designed to prevent the washer from rotating relative to the bolt or shaft. Din 93 Tab Washers have a single external tab protruding from the washer and when positioned correctly it is this tab that prevents in rotation of the washer. Bhalla Fasteners is the leading manufacturer, supplier and exporter of din 93 tab washers to USA ,UK ,Poland, Germany , Austrailia, Ireland, and European countries.
d1 - Inner diameter
d2 - Outer diameter
S - Washer width
r - radius
b - tab width
l - distance from the axis