340 Pcs M3 Small Metric Screw Assortment, Suitable for 3D Printer DIY, 12.9 Grade Alloy Steel Hex Socket Head Cap Bolts Nuts Kit, Black Zinc Plated: Amazon.com: Industrial & Scientific
M3 Bolt Combination Black, M Hex Allen Head Screw Nut Assortment Kit, 12.9 Grade Alloy Steel Screw, Full Machine Thread, Allen Socket Drive - Temu
Hardware Kit - M10 Nuts/Bolts for E46 M3 (Manifold to 1)