Phillips oval head screw
SIMAF
fastenings on thin plates (steel and
aluminium).
High résistance to tightening torque
Form of the screw end provokes an extrusion
of the plate that forms an elongatio and a
renforcement of the threaded part of the
plate..
Resists to unscrewing b vibration thanks to
trilobular form.
Réduction of costs : use of nuts and notched
washers is avoided.
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