Bolt e tlala ke molamu o fokang ka linate tse 2 tse boima tsa hexagon, ha a le har'a hex bolt a na le hlooho e le 'ngoe. Linate le hlooho li ka babe ka bobeli. Bolts e hlalosoa e hlalosoa ka ho ASME B1.1 e kopantsoeng INCH Screw likhoele tsa sekhukhu Khoele e atileng haholo ke sebopeho sa symmetrical e nang le profil. Sengoloa se kenyelelitsoeng ka 60¡. Foromo ena e sebelisoa haholo khoele e kopaneng (UN, unc, unf, urrc, unrf,