[Hexagon socket head cap screw set package details] Hexagon socket head cap screw M3, Hexagon socket head cap screw M4, Hexagon socket head cap screw M5, Hexagon socket head cap screw M6 There are 10 products for each model. Nuts, washers, nuts, 4 types, 45 each. A total of 520 pieces in 4 sizes.

750-Piece Hex Socket Flat Head Countersunk Bolts Screw Nut Assortment Kit 

480 Pcs M3 M4 Drive Pan Washer Head Machine Screw Phillips Head Screws with Pad,  Machine Screws Assortment