Ductile iron made cup nut is used as integral part of base jack, U jack and universal jack. Shape of this nut resembles to the appearance of cup. Accessible in different sizes, this nut is well known for its exceptional strength, rust proof surface and high strength. Simple to use, offered cup nut has perfect diameter. Compact in shape, provided metal fixing accessory has amazing strength which is needed to provide required support to scaffolding components. Standard of this nut has been checked as per its diameter, strength, surface finish, resistance attributes and service life. This nut can be availed in different sizes.