3000pcs NFPA-M3.5 Hexagonal Press In Threaded Inserts Press-fit Insert PEM Nut

3000pcs NFPA-M3/M3.5/M4/M5/M6/M8 Press-in Threaded Inserts Hexagonal-Inch Aluminum PEM Standard Knurled Nuts Factory Wholesale Press-fit insert provides strong, reusable threads. No heat or ultrasonics required. Hexagonal barbed configuratio…