Timco 121Z Window Fabrication Screws - Countersunk With Ribs - Ph - Self-Tapping - Self-Drilling Point - Zinc 3.9 X 16

Multiple Uses For Fitting A Variety Of Hardware To Frames Where There Is A Steel Or Aluminium Reinforcement Present. Countersunk Head With Ribs Under Head For Improved Countersinking.PTDTIM121Z