Window Fabrication Screws - Countersunk with Ribs - PH - Self-Tapping - Self-Drilling Point - Zinc - 3.9 x 16mm - 1,000 Pieces
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.
|Pack Quantity Unit|
|Thread Diameter (mm)|
|Driver Bit Size|
|Max Drilling Thickness (mm)|