We can produce both standard and custom profiles within the following size parameters.
| Product name | size | diameter | length | plating | thread |
Carriage Bolts Grade 5 Plain Medium Carbon | 1/4"-20 | 1/4" | 1/2" | PLAIN | UNC |
| 1/4"-20 | 1/4" | 5/8" | PLAIN | UNC | |
| 1/4"-20 | 1/4" | 3/4" | PLAIN | UNC | |
| 1/4"-20 | 1/4" | 1" | PLAIN | UNC | |
| 1/4"-20 | 1/4" | 1 1/4" | PLAIN | UNC | |
| 1/4"-20 | 1/4" | 1 1/2" | PLAIN | UNC | |
| 1/4"-20 | 1/4" | 1 3/4" | PLAIN | UNC | |
| 1/4"-20 | 1/4" | 2" | PLAIN | UNC | |
| 1/4"-20 | 1/4" | 2 1/4" | PLAIN | UNC | |
| 1/4"-20 | 1/4" | 2 1/2" | PLAIN | UNC |
Carriage Bolts Grade 5 Plain Medium Carbon is Grade: 5，Material: Medium Carbon Steel，Finish: Thermal Black Oxide.
