TIMCO Window Fabrication Screws Countersunk with Ribs PH Single Thread Gimlet Tip Stainless Steel - 4.8 x 25

Multiple uses for fitting a variety of hardware to frames where there is no steel or aluminium reinforcement present. Countersunk head with ribs under head for improved countersinking. The larger 4.8mm diameter screws known as repair screws are frequently used in stripped holes. Stainless steel should be used where there is a corrosive environment.
PVC Window Screw RIB CSK -S/S