Features:
1) Standard: DIN,ANSI/ASME,BS,GB,NON-STANDARD
2) Diameter: 2-42mm
3) Material: carbon steel
4) Grade:4.8,6.8,8.8
5) Finish:zinc plated, nickel plated, hot dipped galvanized, black

Packing:
In carton/sack and palletized
Generally 25kg per unit