Hillman 1/2 In. x 3 In. Grade 2 Zinc Carriage Bolt (50 Ct.) Water Timer self drilling point star borefast

self drilling point star borefast thread 2000 hr salt spray

Tested to 1 million cycles* For performance that lasts

Coarse thread

We embrace the circular economy: when a metal product reaches the end of its long life

Hillman 1/2 In. x 3 In. Grade 2 Zinc Carriage Bolt (50 Ct.) Water Timer self drilling point star borefastCarriage 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.