Hillman 1/4-in-20 Hot-Dipped Galvanized Round-Head Standard (SAE) Carriage Bolt
- 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
- Galvanized finish is perfect for rust prevention