Bolts mus los ntawm ntau lub npe; ib tug neeg terminology tej zaum yuav txawv, nrog rau ib co xa mus rau lawv raws li screws, lwm tus raws li studs, thiab tseem lwm tus tsuas yog fasteners. Txawm hais tias muaj ntau yam nomenclature, lub ntsiab lus tseem ceeb tseem zoo ib yam: lawv yog tag nrho cov bolts. "Bolt" yog lub ntsiab lus dav dav rau pawg ntawm cov fasteners no. Hauv paus, lub bolt yog ib qho cuab yeej siv los ua kom ruaj khov ntawm cov khoom siv los yog tshuab los ntawm kev siv lub cev thiab kev ua lej ntawm cov dav hlau inclined, ncig rotation, thiab kev sib txhuam.
Bolts yog qhov tseem ceeb hauv lub neej niaj hnub thiab kev tsim khoom lag luam- ntau heev uas lawv feem ntau hu ua " mov ntawm kev lag luam." Qhov no underscores qhov dav dav ntawm lawv daim ntawv thov. Lub Scope ntawm kev siv bolt suav nrog cov khoom siv hluav taws xob, cov khoom siv kho tshuab, cov khoom siv digital, lub zog hluav taws xob, thiab cov tshuab hluav taws xob.
Bolts yog siv nyob rau hauv kev tsim nkoj, kev tsim tsheb, kev txuag dej, thiab txawm nyob hauv kev sim tshuaj lom neeg; Nyob rau hauv luv luv, lawv tau ua hauj lwm nyob rau hauv ib tug ntau ntawm cov chaw. Qhov no tshwj xeeb tshaj yog tshwm sim nyob rau hauv cov precision bolts siv nyob rau hauv cov khoom siv digital-xws li cov ntsia hlau me me uas pom hauv DVD players, koob yees duab, tsom iav, timepieces, thiab cov khoom siv hluav taws xob- nrog rau cov qauv bolts siv hauv TV, cov khoom siv hluav taws xob, cov twj paj nruag, thiab rooj tog zaum. Tsis tas li ntawd, loj - nplai bolts thiab txiv ntseej yog ua haujlwm hauv kev tsim vaj tsev engineering, kev tsim kho, thiab choj- lub tsev, thaum lub tsheb thauj mus los -xws li dav hlau, tsheb ciav hlau, thiab tsheb- feem ntau yog siv ob qho tib si loj thiab me bolts. Bolts ua tiav lub luag haujlwm tseem ceeb hauv kev lag luam; Tseeb tiag, ntev npaum li kev lag luam muaj nyob hauv lub ntiaj teb, txoj haujlwm ntawm lub bolt yuav tseem ceeb heev nyob mus ib txhis.