| Standard: |
GB/T6177, DIN6923, JIS B1190, IFID21
|
| Grade: |
4, 6, 8, 10
|
| Size: |
M6-M100
|
| Surface Treatment: |
Plain, Black, Zinc Plated, HDG
|
| Material: |
Carbon Steel, Alloy Steel, Stainless Steel
|
