Viti a testa esagonale per bullone macchina in acciaio legato M10 x 20 mm 12,9 nero 10 pezzi
Description:Feature: M10 x 20mm hex socket head cap screw bolt, 12.9 alloy steel material.Fixing component, industrial and construction fasteners.Used widely in the home, office and factory appliance, ship assembly and other machinery industry.