Carriage bolts are designed to fasten a wooden face to either a wood or metal frame. Its flat head is designed to eliminate the need for a washer and provide a semi-flush finish to applications. The square underside of the head is self-locking to eliminate spinning and the need for a driving tool. The zinc plating is rust-resistant and provides a beautiful, consistent finish.
| Finish | : | Zinc-Plated |
| Head Diameter | : | 1/4 in |
| Head Type | : | Flat |
| Neck Type | : | Square |
| Overall Length | : | 3-1/2 in |
| Thread Type | : | Coarse |