DIN931,DIN933,DIN960,DIN961,DIN6914,BSW,AMSE all kinds of standards are available from M6 to M30,length from 20mm to 300mm

1)raw material:c1008,c1010,middle carbon steel,stainless steel and so on

2)finish:zinc plated,hot dip galvanized,electrical galvanized,black,plain

3)size:diameter from M3 to M42,1/4" to 3/4",length from 8mm to 300mm,1/2" to 12"

4)packing:bulk packing,small box packing,gunny bag packing,or packing according to customers' specification

5)loading port: shanghai or ningbo china

6)delivery:30 days usually

hex bolt din931,din934