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ZWMSSLL 8-32 Threaded Inserts-60 Pieces 8-32X7/16X6.3 Heat-Set Insert Brass Knurled Nuts For 3D Printing Components And Plastic Parts

ELCJDZYO 300Pcs Threaded Inserts M2 M2.5 M3 M4 M5 M6 Brass Heat Set Insert For Plastic And 3D Printing Components

ZWMSSLL 1/4"-20X5/6/8/10/12.7X8 Threaded Inserts-150 Pieces Assortment Box-Heat-Set Insert Brass Knurled Nuts For 3D Printing Components And Plastic

Ktehloy 70Pcs M5 Threaded Inserts, M5 Female Thread Metric Knurled Nuts Assortment Kit, Brass Heat Set Insert For Plastic And 3D Printing Components (

Ktehloy 460Pcs Threaded Inserts, M2.5 M3 M4 M5 M6 Female Thread Metric Knurled Nuts Assortment Kit, Brass Heat Set Insert For Plastic And 3D Printing