KNLN/235PCS M2 M3 M4 M5 M6 Female Thread Brass Knurled Threaded Insert Embedment Nuts Heat Insert Assortment Kit for 3D Printer Injection Molding N-033-235PCS

Threaded Insert Nuts Use Ordinary Soldering Irons, And They Can Be Easily Put Into 3D Printed Holes High Strength Without Deformation, Abrasion And Anti-rust, Anti-corrosion Female Thread Brass Knurled Threaded Insert Embedment Nuts Are Made Of Durable Brass Product size:M2 M3 M4 M5 M6 Female Thread Knurled Nuts Kit, Total 15 different sizes