1000pcs STKC-440-4 Molded-in Knurled Inserts Nut Thru-Threaded Nuts PEM Standard

1000Pcs STKC-440-4/6/8/10/12/16/20/24 Molded-in Threaded Inserts Thru-Threaded Knurled-Metric Brass Nuts PEM Standard Knurled Nut Wholesale ? Uniform knurl diameter reduces the risk of sink marks. Available in varying lengths for injection mo…