M4-0.70 Thread Size, 9.4 mm Overall Lg, Threaded Insert - 4CUG1

uxcell Knurled Insert Nuts - 50Pcs M4 x 6mm Length x 6.4mm OD Female Thread Brass Threaded Insert Embedment Nut for 3D Printer

20pcs Self Tapping Threaded Insert M4 x 8mm Self Tapping Slotted Screw Metal Thread Insert Nuts Stainless Steel Thread Insert Nuts for Helical Repair

Litoexpe M4 Threaded Inserts, Brass Heat Set Insert Kit knurled Insert Nuts for Plastic 3D Printing, Pack of 50

Heat-Set Threaded Inserts (M4 Threads) – MakerTechStore

M4-0.7 Long Brass Threaded Inserts – Initeq

M3 M4 M5 M6 M8 Stainless Steel Self tapping Threaded Inserts - Temu

E-Z LOK™ Threaded Insert - 303 Stainless - M4-0.7 x M8-1.25

M5-0.8 Short Brass Threaded Inserts – Initeq

Threaded Insert M4 - 5.8mm - 20 pieces - INSERTM4-5.8MM-20

Threaded inserts - M4 short 50 pcs Original Prusa 3D printers directly from Josef Prusa