... the cheaper nuts Nut,steel nuts,NUTSFeatures:Certification:ISO9001:2008Place of origin:Fujian,ChinaDiameter:12mm,14mm,16mm,18mm,20mm,22mm,24mm ... threadHigh Quality Bolt:grade 8.8,9.8,10.9Brand of bolt:jinliang,jiajin,u brandMaterial: mild steel,1035steel,1045steel,5140steelSurface ...