| METRIC | |
| Diameter: | M5 ~M16 | 
| Finish: | Zinc,Plain | 
| Grade: | 4.8,6.8,8.8 | 
| Material: | Carbon Steel | 
| Specification: | DIN 571 | 
| Thread: | Wood thread | 
| INCH | |
| Diameter: | #6,#7,#8,#10 | 
| Finish: | Zinc,Grey/Black phosphated | 
| Grade: | 4.8,6.8,8.8 | 
| Material: | C1022 HARDEN | 
| Specification: | UNC,BSW | 
| Thread: | Wood thread | 
 
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