... .free sample hex head cap screws-bolts and 2 H heavy bolt and nut Material:stainless steel,copper,aluminumSurface:zinc ... JIS,BS,GB,ANSI,DPacking:carton box,poly bag,and paper bag or according to the cusrtomers'requirementsSize:dia ... lead time: within 7 days Products Name: Hex bolt and nut Size: M3-M22 Standard NO.: DIN933,DIN931, ... of the customers hex head cap screws-bolts and 2 H heavy bolt and nut