Hexagon nuts,heavy nuts:
1:Standards: DIN934 & ANSI B18.2.2 & JIS B1181
2:Size:M5-M64

3:Grade:4.8 6.8 8.8

4:Material:carbon steel ss304 ss316 stainless

5:Surface:zinc plated,black oxide,hot dip galv.etc.

6:6.Packing:carton with inner box in 20-25kgs then on pallet or small box or according to
customers requirement
7.Delivery time:5-30days (depend on stock condition)

8:ISO Management