3/8" Hot Dipped Galvanized Hex Head Machine Bolt - 100 Ct. Size:3/8" x 3" The HPA35 purlin anchor is

The HPA35 purlin anchor is made of 10 gauge galvanized steel

Simple to install and can be installed on the inside or outside of the wall

The Simpson Strong-Tie HU312 is a 3 x 12 hanger made with 14 gauge galvanized steel

Fasten with Sixteen 10D galvanized nails

The PA28Z purlin anchor is made of 12 gauge Z-Max galvanized steel

3/8" Hot Dipped Galvanized Hex Head Machine Bolt - 100 Ct. Size:3/8" x 3" The HPA35 purlin anchor isHex Machine Bolts are available in steel with a hot dip galvanized coating. Designed for corrosive environments, galvanized machine bolts are partially threaded. Hex bolt length is measured from under the head to the end of the bolt.