i5.walmartimages.com/seo/M4-x-8mm-0-7mm-Pitch-Bras

LUOQIUFA knurled Insert nut, M4 x 4 mm Long x 6 mm Outer Diameter Internal Threaded Brass Insert Sorting kit, 100 per Pack: : Industrial & Scientific

Threaded inserts - M4 short 50 pcs

M4 x 0.7 ISO x 0.313 PlastiSert Press-Fit Threaded Insert For Plastics - Flush - Bottom Slot - Brass

M4 Self Tapping Insert - 18-8 / 304 Stainless Steel: Accu.co.uk: Hardware

M4 x 0.7 ISO x 0.375 Knife-Thread Threaded Inserts For Wood - Brass

Heat-Set Insert: M4-0.70 Thread Size, 8 mm Overall Lg, 6.4 mm Dia, 5.2832 mm Tapered End Dia, 100 PK

E-Z LOK Thread Inserts: M4 x 0.7 ID, M8 x 1.25 OD, Heavy Duty, 303 Stainless Steel (Pkg. of 5)

RS PRO, M4 Brass Threaded Insert diameter 5.6mm Depth 7.95mm

Slinx M2 M2.5 M3 M4 M5 M6 Brass Insert Nut Set Heat Hot Melt Thread Copper Knurled Embedment Nut Or Bolt For 3d Printer Assortment Kit

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