... and nut 1.Material:stainless steel 2.Surface:zinc,nickel,chrome 3.Size:M3-M22 4.free sample hex head cap screws-bolts and 2 ... H heavy bolt and nut Material:stainless steel,copper,aluminumSurface:zinc ... ,BS,GB,ANSI,DPacking:carton box,poly bag,and paper bag or according to the cusrtomers'requirementsSize ... the customers hex head cap screws-bolts and 2 H heavy bolt ...