Internal tooth locking washers exert a spring force between the fasteners head and the substrate, which maintains the washer hard against the substrate, these push nuts can be used as a kind of automobile fasteners.
Package included: 260pcs 9sizes of M2, M2.5, M3x10, M4x12, M5x14 each size 40 pieces; M6x16, M8x18, M10x20, M12x25 each size 15 pieces, meet different needs.
High quality: 65Mn metal steel material, anti-corrosion and sturdy.
Function: Provide spring force, grip sturdy, create more friction and resistance to rotation.
Wide application: These push nuts can be widely used in machinery, furniture, electrical appliances, electronic equipment, cars, sports equipment and industrial production of shock absorption and insulation.