bolt and nut 1.material: stainless steel,carbon steel 2.surface: zinc,nickel,chrome 3.free sample 4.good sales service excellent quality bolt and nutMaterial:stainless steel,copper,iron,aluminumSurface:nickel plated,white zinc plated,color plated,chrome plated,zinc platedStandard:JIS,DIN,GB,ISOPacking:carton box,paper bag,poly bag or according to the customers'requirementsMin Order:50,000 pcsSize ...