M4 Brass Threaded Insert, 7.1mm diameter 5.6mm Depth 8.2mm (Price for Bag of 100)

M4 Heat-Set Thread Insert (5mm Long) 4 Pack

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M4 Heat Set Threaded Insert for Plastic

threaded inserts for plastic(CSH6.8-M4-7.2)

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

M3 M4 M5 Brass Nut Embedment Nut Knurled Nuts Threaded Heat Set Insert Nuts

Threaded Brass Inserts Plastic M4 M4 Nut Copper Insert Injection - 200pcs M4 Insert - Aliexpress

Wholesale m4 brass inserts Of Various Designs and Uses

3DJAKE Threaded Inserts (50-piece set) - 3DJake International

60pcs, M4 Thread Insert Nut, Thread Heat Insert Nut, Brass Knurled Thread Insert Nut, For Plastic Injection Molding 3d Printing, Metric - Industrial & Commercial - Temu