The suitable positioning of the screw holes allows you to to fasten all the screws in the steel reinforcement.
The positioning pins have 3 mm in diameter.
Steel safety springs are firmly fixing the axel.
Due to the suitable positioning of the positioning pins, the stay arm bearing can be mounted on fix mullion using CNC machines
The axel has a strong construction and can be mounted in any position.
Jig for stay arm bearing is only for 6 mm diameter.If you order this product (3 mm) please ask for special jig.