Threaded rod: Outside surface cutting spiral grooved cylindrical or cutting cone spiral groove cone ,the whole product is thread without head. A threaded rod, also known as a stud bolt, is a long rod that is threaded on double ends; the thread may extend along the complete length of the rod. They are designed to be used in tension. Threaded rod in bar stock form is often called all-thread.
Screws have different heads, hexagonal screws, large flat screws, hexagon screws, and so on.
Product surface: black, white zinc, white wash, light body
Implementation of standards: metric / English / American system




| size | length |
| 6*1m | 1m |
| 8*1m | 1m |
| 10*1m | 1m |
| 12*1m | 1m |