510 PCS M3 Black Phillips Countersunk Bolts and Nuts Set
【Set Contents】: The M3 bolt and nut set includes a total of 510 pieces: 30 pieces each of bolts in sizes M3x4mm, M3x6mm, M3x8mm, M3x10mm, M3x12mm, M3x16mm, M3x20mm, along with 150 M3 nuts and 150 M3 washers.