Hillman 3/8-in-16 Zinc-Plated Round-Head Standard (SAE) Carriage Bolts
- 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
- The head is designed to eliminate the need for a washer
- Square underside of the head is self locking to eliminate the need for a driving tool
- Zinc finish provides a beautiful, consistent finish