440Pcs M3 Screws Kit for 3D Printer DIY,220Pcs M3 Screw (6-25mm),220Pcs M3 Nut,Hex Socket Head Cap Small Metric Bolts Nuts Assortment,12.9 Grade Alloy Steel,Black Oxide, M3x6/8/10/12/16/20/25mm

VGBUY 440Pcs M3 Screws Kit for 3D Printer DIY,220Pcs M3 Screw (6-25mm),220Pcs M3 Nut,Hex Socket Head Cap Small Metric Bolts Nuts Assortment,12.9 Grade Alloy Steel,Black Oxide, M3x6/8/10/12/16/20/25mm

Kadrick 420Pcs M3 M4 M5 Threaded Inserts Assortment Kit for 3D Printing Components, Metric Brass Knurled Nuts, Insert by Heat into Plastic Parts

Kadrick Metric Screw Assortment, 660 Pcs M2 Screws, M2*4mm/6mm/8mm/10mm/12mm/16mm,12.9 Grade Alloy Steel, Metric Hex Socket Head Cap Screws Nuts Washers Kit, Black Zinc Plated Anti Rust Upgrade