Threaded Inserts Brass M5 M6 Nuts Threaded Threaded Knurled 15 Sizes

300pcs Threaded Insert M2 M2.5 for M3 M5 M6 Insert Nut Brass Threaded Bushings Internal Thread Knurled Nuts with Plastic Box for Plastic Parts by Heat or for 3D Printer Parts. Knurled nuts are designed for thermoplastics.

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