A carriage bolt has a domed or countersunk head, and the shank is topped by a short square section under the head. The square section grips into the part being fixed (typically wood), preventing the bolt from turning when the nut is tightened.
| Thread Size | 20 (Coarse) |
|---|---|
| Fastener Length | 3 in |
| Material | Steel |
| Finish | Hot Dipped Galvanized |
| Material Grade/Class | Grade 2 |
| Neck Type | Square |
| Thread Type | Coarse |
| Thread Style | Fully Threaded |
| Thread Length | Full |
| Item | Carriage Bolt |
| Head Style | Carriage |
| System of Measurement | Inch |
| Diameter 1 | 1/4 in |
| Diameter 2 | 19/32 in |
| Square-Depth | 5/32" |
| Hardness | Grade 2 / A307 |
| Country of Origin (subject to change) | China |
| Package Quantity | 100 |