3-1/4" - 9 Gauge Annular Ring Shank Common Nail - 304 Stainless Steel, 25 lb. Pkg PA Purlin Anchors BT's and BTB's specifically are

BT's and BTB's specifically are used for connecting structures that have an airspace of 1” to 2”

Deck retrofits requiring additional tension resistance

Corrosion Resistant: Ideal for long-term outdoor exposure

Featuring a paddle-style drill point that penetrates dense wood without predrilling

3-1/4" - 9 Gauge Annular Ring Shank Common Nail - 304 Stainless Steel, 25 lb. Pkg PA Purlin Anchors BT's and BTB's specifically areSimpson Annular Ring Shank Common Nails, are made with type 316 and type 304 stainless steel. The annular ring shank increases the withdrawal resistance to give the application a secure attachment. Choose type 316 for seaside applications and for superior corrosion resistance.