Flange Nut ,collar nut 1)Size:M3 to M12, 1/4 to 1/2" 2)Standards:DIN6923 & JIS B1190 & IFI D-21 3)Material: carbon steel, Flange Nut1) Size: M3 to M12, 1/4 to 1/2"2) Standards of flange nuts: DIN6923 & JIS B1190 & IFI D-213) Material: mild steel,stainless steel4) Cold heading5) Surface: plain, Z/POuter packing: Carton or poly bag + PalletOur company supply flange nuts, nuts, fasteners FLANGE NUT