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 thread rod pallet.