Heat-Set Insert Installation tip for #4-40 and M5 Inserts Compatible with Hakko FX-888D and Weller Irons with ST Series Tips (SP40NUS). Used for Connecting 3D Printed Parts.: Amazon.com: Tools & Home Improvement
Hilitchi 460 Pcs M2 M3 M4 M5 Female Thread Brass Knurled Threaded Insert Embedment Nuts Assortment Kit, Embed Parts, Pressed Fit into Holes for 3D Prints and More Projects: Amazon.com: Industrial &
Virtjoule Heat Set Insert Tips for Sizes M2, M2.5, M3, M4, and M5 - Soldering Iron Tips for 3D Printer Users, 3D Printing Accessories Compatible with Hakko FX-888D and Weller SP40NKUS Soldering
Amazon.com: 10pcs M8 x M5 Self Tapping Threaded Insert 302 Slotted Type Screws Bushing Tool for Thread Repair : Industrial & Scientific
ShineNow Heat-set Insert Tips for T18 ST 900M FX888D FX600 WLC100 Soldering Irons to Install M2 M2.5 M3 M4 M5 M6 M8 Heat Set Inserts - - Amazon.com