Please find below our minimum enquiry according to EN14399-3 HR or EN14399-4 HV system, whatever is cheaper, Also to be hot dip galvanised. Bolts Grade Amount (pieces) Bolts M12x40 8.8 144 Bolts M16x40 8.8 2216 Bolts M16x45 8.8 24438 Bolts M16x50 8.8 11546 Bolts M16x55 8.8 1036 Bolts M16x60 8.8 1512 Bolts M16x65 8.8 13054 Bolts M20x50 8.8 48 Bolts M20x55 8.8 5082 Bolts M20x60 8.8 8578 Bolts M20x70 8.8 358 Bolts M20x75 8.8 14430 Bolts M24x80 8.8 2060 Total: 84502