Viti a testa cilindrica esagono incassato DIN 912 M 8 x 215/30 Materiale: Acciaio 8.8 Quantità/anno: 100 000 pz. Note riguardo al rivestimento: Covering: the same colour as Geomet - but give us with alternative covering - customer request is 500 Salzspraytest regarding DIN 50021 (probably the screws with alternative covering will be cheaper - customer request). After coating the control with control nut 6 h has to be done.