Rau daim ntawv thov ntawm kub-dip galvanized expansion bolts, muaj ntau lub npe rau bolts, thiab txhua tus neeg tuaj yeem hu lawv sib txawv. Qee tus neeg hu nws screws, qee leej neeg hu nws bolts, thiab qee tus neeg hu nws fasteners. Txawm hais tias muaj ntau lub npe, lawv txhua tus txhais tau tib yam. Lawv yog txhua tus bolts. Bolts yog cov lus siv dav dav rau cov khawm ris. Bolts yog cov cuab yeej uas siv rau kev siv lub cev thiab lej ntawm lub pob oblique kev sib hloov thiab kev sib txhuam ntawm cov khoom kom maj mam ceev cov khoom thiab qhov chaw.
Bolts yog yam tsis tseem ceeb hauv lub neej txhua hnub thiab kev tsim khoom lag luam. Bolts tseem hu ua cov txhuv ua noj. Nws tuaj yeem pom tias bolts yog siv dav. Daim ntawv thov ntau ntawm bolts yog: cov khoom siv hluav taws xob, cov khoom siv tshuab, cov khoom lag luam digital, cov khoom siv hluav taws xob, cov khoom lag luam electromechanical. Bolts tseem muaj txiaj ntsig hauv nkoj, tsheb, dej ua kom dej tsis huv, thiab tseem muaj kev sim tshuaj lom. Xijpeem, bolts siv ntau qhov chaw. Xws li cov nplaws precision siv ntawm cov khoom lag luam digital. Tej yam me me bolts siv nyob rau hauv DVDs, koob yees duab, tsom iav, saib, hluav taws xob, thiab lwm yam.; cov tswm ciab dav dav rau TV, cov khoom siv hluav taws xob, cov twj paj nruag, rooj tog, thiab lwm yam.; raws li kev siv tshuab, kev tsim kho, thiab cov choj, cov hlaws loj thiab cov txiv ntoo siv; cov khoom siv thauj khoom, dav hlau, tsheb ciav hlau, thiab tsheb sib zog thiab lwm yam, yog siv rau ob qho khoom loj thiab cov menyuam me. Bolts muaj cov haujlwm tseem ceeb hauv kev lag luam. Ntev npaum li kev lag luam muaj nyob hauv ntiaj teb, txoj haujlwm ntawm bolts yuav ib txwm tseem ceeb.
