Pack of 50 - Hex Head Self Drilling Screws 45mm x 6.3mm.
Suitable for Fixing Steel Sheets Into Timber Joists.
Comes with Weatherproof Bonded Washer.
Self Drilling Screws are designed to be screwed into sheet material of various types and thicknesses up to and including 2mm mild steel. The BZP Self Drilling Screws can be used on materials up to 3mm mild steel sheet. They are designed to drill as well as tap their own hole and therefore do not require a pilot hole.