7/16" 7 Gauge Kelly Screws (#VB23 Pan Head) (for steel stud and track) Contents: Approx. 1,765 (#2 Philips) Application: For attaching light gauge steel framing together. Known as Kelly, H. Paulin and Pan Head screws, these grey phosphate coated screws have an extra sharp point for drilling into metal stud and track without having to pre-drill.