Hillman 3/8 In. x 4-1/2 In. Grade 2 Zinc Carriage Bolt (50 Ct.) Black Beauty Ultra Individually assembled strong steel bars

Individually assembled strong steel bars

energy efficient illumination

malleable iron I-beam handle

and index finger

EzDuct Connector can be installed room-side with no attic access required

Hillman 3/8 In. x 4-1/2 In. Grade 2 Zinc Carriage Bolt (50 Ct.) Black Beauty Ultra Individually assembled strong steel barsCarriage 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 zinc plating is rust resistant and provides a beautiful, consistent finish, but, may not work for all exterior projects.