... to M64, and the material in stainless steel, brass Metal Hexagon Connector NutMaterial:Carbon steel,stainless steel,Grade:4.8,6.8. 8,10 ... Size:M3 to M30 Surface:Zinc plated Plain,BlackMaterial:Carbon steel,stainless steel,Grade:4.8,6.8. 8,10Size:M3 to ... 8 box in a carton then in Standard pallet Metal Hexagon Connector Nut