120 Pcs M3 Female Thread Knurled Nuts Brass Threaded Insert Embedment Nuts for 3D Printing Injection Molding and More Projects (M3, 120Pcs,3x4.6x5.7mm)

WAFJAMF 120 Pcs M3 Female Thread Knurled Nuts Brass Threaded Insert Embedment Nuts for 3D Printing Injection Molding and More Projects (M3, 120Pcs,3x4.6x5.7mm)

ruthex M3 Threaded Inserts - 100 Pieces RX-M3x5.7 Brass Heat Set Insert for Plastic Parts - Metric knurled Nuts - Insert by Heat into 3D Printing Components

SHKI 20 Pcs 608 2RS Ball Bearings – Bearing Steel and Double Rubber Sealed Miniature Deep Groove Ball Bearings (8mm x 22mm x 7mm) (608 2RS)