Used under the head of a bolt or nut to distribute the forces applied when tightening

Technical Info: 
Relevant Standards :- BS4320 Form C
Finish :- BZP

M6x14mm OD

External Diameter14mm
Thickness1.6mm

M8x21mm OD


External Diameter21mm
Thickness1.6mm

M10x24mm OD


External Diameter24mm
Thickness2.0mm

M12x28mm OD


External Diameter28mm
Thickness2.5mm

M14x30mm OD


External Diameter30mm
Thickness2.5mm

M16x34mm OD


External Diameter34mm
Thickness3.0mm

M20x39mm OD


External Diameter39mm
Thickness3.0mm