Material : carbon steel , alloy steel .
Grade : 4, 6, 8
Size : M4- M30
Surface : plain , zinc , HDG, black
material : carton steel , alloy steel
size : M6- M30
surface : zinc , plain , HDG , black
Grade : 8.8 , 4.8, 5.8 , 6.8 and 10.9, 12.9
material : carbon steel , alloy steel
grade : 8.8
surface : plain , black , zinc , hdg
size : m6- m30
material : Carbon steel
Grade : 4
surface : plain , black , white zinc , yellow zinc , blue white zinc , HDG .
Size : M4- M30
threaded rod
surface : hdg , plain , blue zinc , yellow zinc , black
size : M6- M30
Material : Carbon steel
