Timco - Window Fabrication Screws - Countersunk - PH - Metric Thread - Self-Drilling Point - Zinc M4 x 19mm - (1000 PCS Box) Length mm:19 Frequently used in masonry joints

Frequently used in masonry joints for crack stitching and reinforcing

featuring a polymer bearing mechanism that runs silently and requires no lubrication

Mainly used to securely fasten bottom hung casement windows

The External Beeswax Avon Lever Lock Set has been thoughtfully engineered with both practicality and aesthetics in mind

Timco - Window Fabrication Screws - Countersunk - PH - Metric Thread - Self-Drilling Point - Zinc M4 x 19mm - (1000 PCS Box) Length mm:19 Frequently used in masonry jointsTimco Window Fabrication Screws Countersunk PH Metric Thread Self Drilling Point Zinc M4 x 19mm (1000 PCS Box) An alternative to the self tapping thread version. This metric threaded screw has multiple uses for fitting a variety of hardware to frames where there is a steel reinforcement present.