ʻO ke kīwahaʻo Student he kaula kaula me 2 hexagon kaumaha,ʻoiai ke poʻo hex bolt he poʻo me kahi nut. ʻO nā mea kanu a me ke poʻo heʻeono iʻelua mau kekona. Ua weheweheʻia nā kaula Bolts i ka asme B1.1 Unified i nā kaula Screw i hoʻopaʻaʻia, (Un a me UNR a me UNR ʻO nā kaula maʻamau heʻano hana symmetrical me kahi v-profile. ʻO ka pae komo i hoʻohuiʻia he 60¡ã. Hoʻohana nuiʻia kēia palapala i ke kaula palena (Un, Unc, unf, unf)ʻano like me keʻano o ka iso \ /.