Surface finishing: Electro galvanized,Hot dip galvanized,Black;

Standard:DIN,ASTM,JIS,BS,AS,ISO,GB,nonstandard bolt(according to your order);

Material:Carbon steel;

Grade:4.8/6.8/8.8/10.9/12.9;

Dia:M3-M64;

Length:1M-12FEET;

Supply ability:2000 tons per month;

Packing first by plastic bags then by pallet.