1500 PCS Nuts and Bolts Assortment, 12.9 Grade Alloy Steel Hex Socket Head Cap Screws Bolts and Nuts Kit - M2 M3 M4 M5 M6 Machine Screws with 5 Wrench for Home Repairs, DIY, and Professional Use

1500PCS Screws Nuts and Washers Assortment, M2 M3 M4 M5 M6 Hex Socket Head Cap Metric Bolts and Nuts Kit - 12.9 Grade Alloy Steel Black Screws with 5 Allen Wrenches for 3D Printer Furniture

Ktehloy 400Pcs Threaded Inserts, M2 M2.5 M3 M4 M5 M6 Female Thread Metric Knurled Nuts Assortment Kit, Brass Heat Set Insert for Plastic and 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)