Threaded Inserts for Metal - Assortment Kit, Carbon Steel, Metric M3-M8, 50 pcs

M4 Threaded Inserts, 100 Pcs Heat-Set Threadeds Insert Assortment Kit, Metric...

100 PCS M3 Threaded Insert M3 x 4mm x 5mm Heat Set Inserts, 3D Printing Brass...

100 Pcs M3 Threaded Inserts, M3x3x5 Heat Set Insert for 3D Printing, Brass Me...

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500Pcs Threaded Inserts Kit M2 M3 M4 M5 - Female Thread Heat Set Insert, Bras...

100 Pcs M3 Threaded Insert M3 Heat Set Inserts 3D Printing Brass Nuts Knurled Tw

350 Pcs M3 Brass Heat Set Threaded Inserts Kit With Soldering Iron Tip Included