Center bolt with hex nut
1.Size :M20*1.5*220
2.Material : 40 Cr (ASTM5140)
3.Surface : Zinc palted .
4.Color : Yellow
5.Quality grade : 12.9
6.ISO9001:2000 Certificate.
1.Size :M20*1.5*220
2.Material : 40 Cr (ASTM5140)
3.Surface : Zinc palted .
4.Color : Yellow
5.Quality grade : 12.9
6.ISO9001:2000 Certificate.

