CARRIAGE BOLT 1.STAPLE MAKET: North America,South America,Eastern Europe,Southeast Asia,Africa,Oceania,Mid East,Eastern Asia,Western Europe,US, South Korea, Russia and so on other countries and area. 2.MATERIAL:CARBON STEEL,STAINLESS STEEL,ALLOY 3.SIZE: M6-M22 4.LENGTH:8mm-300mm 5.CLASS:4.8-8.8 6.FINISH:ZINC,BLACK,CHROME,NICKEL 7.PACKING : Box, carton or plastic bags, then put on pallets, or according to the demand of the customers