Viti come da disegni allegati T942520148 M 3,5 x 10 4.8- A2 F 10 000 pcs. T942520146 M 3,5 x 38,5 4.8 - A2 F 1 000 pcs. T942520147 M 2,5 x 9_8.8 Zinc-plated steel 30 000 pcs. T942520168 M 5 x 15 5.8 - A3 F 15 000 pcs. This screw requires Precote 5. Recess can also be Phillips.