Metric Bolt Assortment M2 M3 M4 4MM to 30MM Hex Socket Head Cap Machine Screws
20Pcs M2 x 4mm;. M2: Bolts are in 6 lengths: 4mm, 6mm, 8mm, 12mm, 16mm, 20mm. Each length 20pcs bolts; 120 x M2 Nuts; 120 x M2 Washers. M3: Bolts’ lengths: 4mm, 8mm, 12mm, 16mm, 20mm, 30mm. Each length 20pcs bolts; 120 x M3 Nuts; 120 x M3 Washers.