▷Brass, copper alloy threaded inserts - M4 - HTA3D ✓

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

Threaded Insert - M4 5x5 - 25 Pack

CNC Kitchen Threaded Inserts M4 Standard - 3DJake International

M4 Heat Set Threaded Insert for Plastic

M4 10mm Zinc Alloy Threaded Spiked Wood Caster Insert Nut with Flanged round Drive Head – VXB Ball Bearings

Part # IUB-M4-2, Tapered, thru threaded inserts – Types IUA, IUB, IUC - Metric On PennEngineering

Part # ITC-M4, Molded-in Threaded Inserts, Thru-Threaded - Metric On PennEngineering

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

Made in USA - Thread Locking Insert: M4 x 0.7 Internal Thread, M8 x 1.25 External Thread, Metric Coarse, 0.296″ OAL, Thread Repair - 00358408 - MSC Industrial Supply

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