Dzus Fastener #55 Total Length 17mm

£ 4.69
EHF-55 Dzus Fastener. Flush fitting, with a head diameter of 5/8". Locks and unlocks with just a quarter turn. Dzus size 5 fastener for panels of total thickness 5.70 to 7.10mm

You may also require the spring which goes on the adjoining panel, part number EHF-S.