Tsananguro Pfupi:

Rutivi rwekunze rwe screw musoro we hexagon socket musoro bhaudhi yakatenderera, uye iyo yepakati iri concave hexagonal, nepo hexagonal bolt iri iyo iine yakawanda yakajairika screw misoro ine hexagonal micheto. Mushure mekupisa kwekusimudzira pamusoro kurapwa, anti-ngura mhedzisiro inowanikwa.