CHA-632 Concealed-Head Studs Inserts for Pcb Threaded Rods Sheet Metal Screw Pin

3000Pcs CHA-632-4/6/8/10/12/16 Concealed-Head Studs Self-clinching Stud Pin Screw Spacers for Pcb Spacer Screws Sheet Metal Vis Tornillos Parafuso Aluminum factory wholesale The fastener head is locked securely in a blind,milled hole and is ab…