Caja surtida - Pernos - 300 piezas de pernos y tuercas de cabeza rascadora M3 negros, arandelas planas y juego de resortes, pernos hexagonales internos

Set of 300 black M3 bolts with countersunk head and flat spring washers: Set includes: M3 black screw with countersunk head, M3 hex nut, M3 flat washer, M3 spring washer. Black oxidized surface treatment: all parts are treated with black oxidation for excellent corrosion protection and a beautiful decorative effect. High-quality carbon steel and spring steel: carbon steel bolts and nuts, high strength. Spring steel washer with good elasticity for all kinds of situations requiring support and impact resistance.