Timco 4.2 x 19mm Self Drilling Wafer Head Screw Zinc Plated Box Of 1000

These Timco 4.2 x 19mm Self Drilling Wafer Head Screws can be used when constructing drywall track and ceiling track systems to stitch the track together (Max 2.5 -3.0mm) without the need to pre-drill a hole. For applications where a large clamping area and an unobtrusive head is required. Box quantity - 1000