Hillman 812627 1/2X7 CARRIAGE BOLT, 1/2 x 7-Inch, 25

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 galvanized finish provides optimal rust prevention but can be chalky in appearance.'