3.5 x 38 Dry Wall Bugle Head Self Drilling Screws BS14566 Bzp by Timco

Dry wall self drilling screws with a bugle head and a philips drive are to BS EN 14566 standard.  The bugle head reduces the likelyhood of damaging the board surface. They can drill straignt into maximum of 2.0mm thickness of metal to secure the boards into place without the need to pre-drill saving time.  There require a philips No.2 srewdriver bit.

These are also bright zinc plated fasteners which is a preventative measure from corrosion.  Also bear in mind using different materials can cause fusing through corrosion especially in damp conditions when mixed with aluminium or stainless steel materials.