TIMCO Cill Screws Bugle PH Self-Tapping Thread Self-Drilling Point Zinc - 4.2 x 55 Slash Tip Solid and reinforced aluminium door

Solid and reinforced aluminium door with concealed combination dial for improved weather resistance

internal doors and other joinery products

An alternative to the self-tapping thread version

Zinc plated for easy cleaning

Heavy cross pattern bolts are typically used for securing large garage doors and gates in industrial and agricultural applications

TIMCO Cill Screws Bugle PH Self-Tapping Thread Self-Drilling Point Zinc - 4.2 x 55 Slash Tip Solid and reinforced aluminium doorUsed for attaching cills to the base of door or window frames. The self drilling point permits the screw to drill through both reinforced and unreinforced frames.