Based on the DIN1587 standard, our typeA dome nuts differ by having a solid dome. This allows us to offer a cost advantage to customers but at the expense of a reduced thread length, requiring more precise measurement of the exposed thread on the component.
A little heavier than DIN1587 but still lighter than steel, typeA have a cost advantage and all the advantages offered by polyamide (nylon) as the manufactured material.
Lightweight and non corrosive, the typeA is specific to Bulte.
A useful alternative to standard hex nuts where protection and safety are desirable.