Grattan 006039
Carriage bolts are headed and externally threaded mechanical device designed for insertion through holes in a soft material such as a wood. It is also ideal for pre-punched hole in harder material in which the square shank below the head grooves into to prevent the bolt from spinning during installation and tightening of a nut.
| Finish | : | Zinc |
| Overall Length | : | 1-1/2 in |
| Thread Size | : | 5/16-18 |
| Material | : | Carbon Steel |