NUT rivet nut hex nut Material: 12L14, 12L15, 12L13, SUM24L, SUS303, S416 of, S430F, S316 6061-T6 NUTrivet nuthex nut Model: B, BS, CSS, CSOS, S ... , SS, CLS, KFSE, KFB3, SO, the SOS BSO4Since the fastening nut, enclosed countersunk stud slotted studs, broaching expansion mounting studs, panel ... , green copper surface plating green tin, can be directly soldered rivet nut