6.5mm dia self-tapping screws They will also require a 15mm washer and to be polyester powder coated to RAL 9003. Austenitic Stainless Steel Din Werkstoff 1.4529 or 1.4547, with particular resistance to chloride induced stress corrosion. 1) 300no required of the “Top fixing” = 10mm thick angle and we are fixing 25mm of plywood plus 3mm aluminium so a total build-up of 28mm, plus drill bits if required. 2) 400no required of the “Bottom fixing” = 6mm thick box section and we are only fixing 3mm aluminium to the box, plus drill bits if required. Please advise price, availability and minimum order quantities if applicable. SEE ATTACHMENTS