Viti Testa Bombata Esagono Incassato con Flangia ISO 7380-2Button head socket cap screws with flanged1M3M4M5M6M8M10M12d2 max79.411.613.617.82225d35.37.39.210.213.717.521k max1.72.22.83.34.45.57c0.70.811.11.51.72.4a max11.41.622.533.5t min1.051.351.82.12.83.44.2s22.534568d1l/mmM36-8-10-12-16-20M..