Pualin 12 x 4'' Self-Drilling Screws (Wafer Head)
- Paulin's Drill-X screws drill their own holes, form mating threads and fasten securely.
- Can be used in steel, plastics, composite materials, wood and various laminates
- Screws are plated steel for longer lasting life and strength
- Pan Socket head
- Fits #3 (black) square head bit or screwdriver
- Shaft size: #12
- Thread/inch: 24
- Length: 4"
- Pack of 100