Timco 120Y Window Fabrication Screws - Countersunk With Ribs - Ph - Self-Tapping - Self-Drilling Point - Yellow 3.9 X 13

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.PTDTIM120Y