Product Name: hex bolt,hexagon bolt Place of Origin: China Features: 1) Standard:DIN933,DIN931,ANSI B18.2.1 2) Material: Low/medium carbon steel 3) Diameter: M6-M16,length from 10mm to 200mm 4) Coating:zinc plated,black oxide,plain Packing: Boxes or Bulk Cartons in Pallet According to customers' requirements Skype:dre077