4.2 x 25mm Drywall FX4 Self Drilling Wafer Head Screws Bzp

Dry wall self drilling screws with a wafer head and a philips drive.  The wafer head gives an un-intrusive head when fixing boards . 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.