Chonde tidziwitsenimainchesi, kutalika, kuchuluka, kulemera kwa unit ngati muli nawo, kotero kuti titha kupereka mawu abwino kwambiri.
Pali muyeso wa ASTM A193 B7, A193 B8, A193 B8m, A193 B16 B16 Thirani Stud Stud, yomwe imatha kukwaniritsa Standard Standard. Pakadali pano, nthawi zambiri zimagwiritsidwa ntchito ndi Astm A194 2H Hex. Onsewa akupezeka pano.
Ulusi wa ulusi. Ntchito yolumikizidwa imagwiritsidwa ntchito kulumikiza makinawo. Ma boloni awiri amapezeka m'malekezero onse, ndipo mawonekedwe a pakati ndi ocheperako komanso owonda. Nthawi zambiri amagwiritsa ntchito makina ogwiritsira ntchito migodi, mlatho, magalimoto, mawonekedwe amoto, mawonekedwe obowola, nsanja yayitali, kapangidwe kake ndi nyumba yayikulu.
1, imagwiritsidwa ntchito kwambiri m'chigawo chachikulu cha zida zazikulu, muyenera kukhazikitsa zowonjezera, monga galasi, makina ocheperako, nthawi ino, kugwiritsidwa ntchito kwa mitu iwiri ya mutuwo Thupi lalikulu, kukhazikitsa kwa cholumikizira pambuyo pakumapeto kwake ndi nati ndi mtedza, chifukwa kulumikizidwa nthawi zambiri kumachotsedwa, chifukwa chowonongeka, kugwiritsa ntchito ma bolts a mutu wa kawiri kudzakhala kosavuta kwambiri. 2. Makulidwe a thupi lolumikizira ndi lalikulu kwambiri ndipo kutalika kwa bolt ndi nthawi yayitali, mutu wamutu womwe udzagwiritsidwa ntchito kawiri. 3. Amagwiritsidwa ntchito kulumikiza mbale ndi malo omwe ali osavuta kugwiritsa ntchito hex ma balts, monga ngolo ya padenga la pamenti, odekha ndikupachika monorail