Carriage Bolts have a smooth, rounded head that has a small square section underneath. They are used in wood connections utilizing the square neck under the round head which will sit into the hole to prevent the head from turning.
- Carriage bolts have a domed head that is not designed to be driven
- A bolt with a square shoulder under a rounded head which resists turning when the nut is tightened
- Stainless-steels are used for their corrosion resistance, high-temperature strength, scaling resistance, and low-temperature toughness
- Flat-styled head allows for a smooth exterior finish