3000pc IUTB-M3.5 Ultrasonic/Heat Staking Inserts Thru-Hole Threaded Nuts PEM Nut

IUTB-M2/M2.5/M3/M3.5/M4/M5/M6 Heat Staking Insert Straight hole Thru-Threaded-Metric Brass Nuts PEM Standard Knurled Nuts Factory Wholesale Designed for use in straight holes. Self-aligning lead-in of insert provides for accurate alignment pri…