10000 pcs. Screws as per picture in attachment M12x1.50x70/S = 17 Head of screw is 17 – (Now we use these upper screws with the head of 19, but we have to change the head with 17 to have both the upper and the lower screw with the head of 17) Step of screw is 1.50 For screws: 5000 pcs. Steel washers 40mm x 12.5 mm x 2.5 mm Exterior diameter 40 mm Interior diameter 12.5 mm Thickness is 2.5 mm 5000 pcs. Metallic spacer as per drawing in attachment (Distantier metallic V2) 100000 pcs. PTFE washer as per drawing in attachment (Saiba PTFE)