Urufunguzo rwa hex, ruzwi kandi nka Allen wrench cyangwa urufunguzo rwa Allen, nigikoresho cyamaboko atandukanye gikoreshwa mugukomera cyangwa kurekura imigozi na bolts hamwe na socket esheshatu.Nkumushinga wibyamamare uzwi ufite uburambe bwimyaka 30, twishimiye gutanga urufunguzo rwohejuru rwiza rwujuje ibyifuzo bitandukanye byabakiriya bacu.