F10T Babban Ƙarfin Hex Bolt Saitin (JIS B1186)

Tsarin JIS B1186) Babban ƙarfi Hex Bolt an ƙera shi don amfani a cikin haɗin ginin ƙarfe, saboda haka yana da guntun zaren tsayi fiye da daidaitattun kusoshi hex. Yana da babban kan hex mai nauyi da cikakken diamita na jiki. Ba kamar sauran maki ba, JIS B1186 bolt sa yana da takamaiman ba kawai a cikin sinadarai da buƙatun inji ba, har ma a cikin tsarin da aka yarda.

Waɗannan sukurori suna da diamita daga M12 zuwa M36 kuma an ƙirƙira su daga matsakaicin ƙarfe na carbon alloy wanda aka kashe da fushi don haɓaka abubuwan injin da ake so. Madaidaicin ƙirar Jafananci daga Beijing Jinzhaobo.