steel zinc finished through bolt/sex bolt (with ISO and RoHS certification)

Specific

Material

1.Stainless Steel:SS302, SS304, SS316, (good tenacity)

2,Steel:C45(K1045), C46(K1046),C20

3.Brass:C36000 ( C26800), C37700 ( HPb59), C38500( HPb58),

C27200CuZn37), C28000(CuZn40)

4.Bronze: C51000, C52100, C54400, etc

5.Iron: 1213, 1214,1215

6.Aluminum: Al6061, Al6063 etc

7,.Carbon steel:C1006,C1010,C1018,C1022,C1035K,C1045

8, Alloy steel: SCM435,C10B21,C10B33

9.other material:UNS C11000 Copper