$0.75
Machine Thread x Length: 5/16-18 x 1″
Pre-Drill: 1/4″
Overall Length: 2-1/2″
How-to Guide: http://www.standoffsystems.com/catalog/files/TutorialImages/How-To/How-To_WoodMount_HangerScrews.pdf
Typically ships within 5 business days