1000pc STKB-M4-4 Brass Molded-in Knurled Inserts Thru-Threaded Nuts PEM Standard

1000pcs STKB-M4-3/4/6/8/10/12/15/18 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 mold…