A kọwara bolts ndị a na ANSI B1.13M maka nguzogide ọkwa 6 g. Ihe e ji bolts mee kwekọrọ na ASTM F568M maka Klas 4.6. Ihe e ji bolts ndị na-anaghị emebi emebi kwekọrọ na ASTM F 568M maka klas 8.83. Ọgwụgwọ elu ga-agbaso AASHTO M232.
Nha nkịtị maka igwe eji asa ákwà bụ 76 * 44 * 4mm, anyị nwekwara ike ịgbaso eserese sitere n'aka onye ahịa.
Maka onye na-egosipụta agba ahụ, agba ya na-abụkarị ọcha, ọbara ọbara, na odo, ị nwere ike ịgwakọta ha n'onwe gị.
A na-eji ihe mkpuchi na mkpụrụ eme ihe iji kechie ihe nchekwa, ogidi, na oghere n'otu akụkụ.
Ihe na-egosipụta ìhè nwere ike igosipụta ìhè ahụ mgbe ndị mmadụ na-anya ụgbọala n'abalị, site na nke ahụ, ị ​​nwere ike ịchọta nsọtụ ihe nche ahụ ngwa ngwa. Ọ nwere ike ibelata ihe mberede ahụ mere.
A na-edozi okporo ụzọ azụmahịa n'etiti ogwe osisi w na ogwe osisi atọ.