stainless steel hexagon hex bolt partial thread
1.Material: SUS304 SUS316
2.Standard: DIN931
3.Coating:plain
4.Thread type: partial thread 
 

1.Material:Carbon steel Q195 Q235 35K #45 Stainless Steel 304 316 200

2.Finish: blue and white zinc, yellow zinc, black, HDG

3.Grade: class4.8 class5.8 class6.8 class8.8 class10.9

grade2 grade5 grade8

4.Standard: DIN933 DIN931

ANSI B18.2.1

GB5780 GB5781 GB5782