3000pc IUB-256-1 Ultrasonic/ Heat staking inserts Tapered Thru-Threaded PEM Nuts

3000pcs IUB-256-1/2 Tapered Thru Threaded InsertsTypes IUA IUB IUC-Inch Brass Nature PEM Standard knurled nuts Factory Wholesale ? Designed for use in tapered holes. Tapered mounting hole allows for rapid and accurate alignment prior to inst…