Muaj ntau lub npe rau bolts, thiab txhua tus neeg' s lub npe yuav txawv, qee qhov hu ua screws, qee qhov hu ua bolts, thiab qee tus hu ua fasteners. Txawm hais tias muaj ntau lub npe, lawv txhua tus txhais tau tib yam. Lawv yog txhua tus bolts. Bolts yog ib lo lus siv rau kev khawm ris kom ceev. Bolts yog cov cuab yeej uas siv lub cev thiab kev ua lej ntawm lub oblique ncig kev sib hloov thiab kev sib txhuam ntawm lub zog kom maj mam ua kom ceev cov khoom thiab tshuab.
Bolts yog yam tsis tseem ceeb hauv lub neej txhua hnub thiab kev tsim khoom lag luam. Bolts tseem muaj lub npe hu ua industrial meters. Nws tuaj yeem pom tias bolts yog siv dav. Daim ntawv thov qhov dav ntawm bolts suav nrog: cov khoom lag luam hluav taws xob, cov khoom siv kho 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. Precision bolts siv rau ntawm cov khoom lag luam tshwj xeeb. Tej yam me me bolts rau DVDs, koob yees duab, tsom iav, saib, hluav taws xob, thiab lwm yam.; cov tswm ciab dav dav rau TVs, khoom siv hluav taws xob, cov twj paj nruag, rooj tog, thiab lwm yam; rau kev siv engineering, kev tsim kho, thiab cov choj, cov hlaws loj thiab cov noob txiv siv tau; cov cuab yeej siv thauj khoom, dav hlau, tsheb ciav hlau, tsheb sib npaug Qhov sib xyaw yog kev sib xyaw ua ke ntawm cov ntsia hlau loj thiab me me. Bolts muaj cov haujlwm tseem ceeb hauv kev lag luam. Tsuav muaj kev lag luam hauv ntiaj teb, txoj haujlwm ntawm bolts yuav ib txwm tseem ceeb.