Grade: 4.8, 8.8, 10.9, 10.9, ihe: 235k, 45k, 45k, na-aga nke ọma, gallvanized, gall, wdg!
p>A na-ekewa bọlbụ na-ekewa n'ime ọkara na-ebu ihe na-ebugharị (kwekọrọ n'ụkpụrụ GB / T14 na Dan603) dị ka isi isi ha si dị. Nchikota ugbo bu udiri ihe di nkpa, aru cylindrical na eri ihe)
N'ikwu okwu n'ozuzu, a na-eji bolts jikọta ihe abụọ, na-abụkarị site na oghere ọkụ, ọ dịkwa mkpa iji ya na akụ. Ha anaghị eje ozi dị ka otu njikọ. Ngwaọrụ na-ejikarị Wrench. Isi na-abụkarị hexagoal ma na-ebu ibu. A na-eji bred bolts na grooves, na square olu na-arapara na uzo n'oge nrụnye iji gbochie bolt ahụ site na atụgharị. Bortine bolts nwere ike imegharị ihe dị iche na uzo. N'ihi ọdịdị okirikiri nke bọlbụ, ọ nweghị ihe eji eme ihe obe ma ọ bụ nke nwere ike iji ya mee ihe, ọ nwekwara ike iji aka na-egbochi izu ohi n'oge usoro njikọ.
1, ngwa ihe na-aga nke okirikiri isi
A na-ejikarị ya na-agba gburugburu bolts bolts, gụnyere ọnọdụ ngwa a:
2, uru na ọghọm dị na nke ọkara
Tụnyere onye na-egbu egbu, ọkara gburugburu isi na-eme ihe ndị na-esonụ:
Agbanyeghị, ọkara gburugburu isi bolts nwekwara ụfọdụ ihe ndọghachi azụ: