Yuav ua li cas yog ib co piv txwv ntawm ib tug ntsia hlau?
Cov ntsia hlau yog ib hom fastener uas tau siv dav hauv ntau daim ntawv thov los koom nrog cov khoom ua ke. Nws yog qhov tseem ceeb ntawm lub tog raj kheej nrog lub helical ridges hu ua threads uas qhwv ncig nws qhov ntev. Los ntawm kev hloov cov ntsia hlau rau hauv cov khoom siv, nws tsim kom muaj kev ruaj ntseg. Screws tuaj nyob rau hauv ntau yam duab, qhov ntau thiab tsawg, thiab cov ntaub ntawv, txhua tus tsim los rau cov hom phiaj tshwj xeeb. Hauv tsab xov xwm no, peb yuav tshawb txog ntau hom screws thiab lawv daim ntawv thov.
Ntoo Screws:
Ntoo screws feem ntau yog siv rau fastening cov ntaub ntawv ntoo ua ke. Lawv muaj cov ntse, taw tes kawg thiab ntxhib threads uas muab lub zog tuav hauv ntoo. Lub taub hau ntawm ntoo screws feem ntau yog tiaj tus los yog puag ncig, tso cai rau lawv yooj yim countersunk los yog yaug nrog qhov chaw. Qee qhov piv txwv ntawm ntoo screws muaj xws li:
1. Ib txwm Slotted Wood Screws:Cov ntsia hlau no muaj ib qho yooj yim, ib qhov nyob rau hauv lub taub hau rau screwing lawv mus rau hauv ntoo siv ib tug screwdriver.
2. Phillips Lub Taub Hau Ntoo Screws:Cov ntsia hlau no muaj qhov sib txawv ntawm lub taub hau, uas tso cai rau lub zog ntau dua los siv thaum lub sijhawm teeb tsa.
3. Square Tsav Ntoo Screws:Cov ntsia hlau no muaj lub ntsej muag zoo li lub taub hau, uas tiv thaiv lub hau ntswj kom tsis txhob ntog thiab muab lub zog tsav ntau dua.
Tshuab Screws:
Tshuab screws feem ntau yog siv los ruaj ntseg cov khoom siv hlau ua ke. Lawv muaj ib txoj kab uas hla tsis sib xws thiab cov xov zoo dua piv rau cov ntsia hlau ntoo. Lub tshuab screws xav tau lub qhov pre-tapping los yog cov txiv ntoo kom ruaj ntseg zoo. Qee qhov piv txwv ntawm lub tshuab screws suav nrog:
1. Round Lub Taub Hau Tshuab Screws:Cov ntsia hlau no muaj lub taub hau sib npaug, uas muab cov kabmob loj loj thiab muab cov duab tiav.
2. Flathead Tshuab Screws:Cov ntsia hlau no muaj lub taub hau tiaj tus uas tso cai rau lawv zaum yaug nrog cov khoom siv.
3. Lub taub hau tshuab Screws:Cov ntsia hlau no muaj lub taub hau me ntsis nrog lub ntsej muag tiaj tus, muab qhov zoo nkauj.
Sheet Hlau Screws:
Sheet hlau screws yog tsim los rau fastening hlau los xij, nyias yas, los yog lwm yam ntaub ntawv nrog pre-drilled qhov. Lawv muaj cov ntse, tus kheej tapping threads uas ua rau lawv tsim lawv tus kheej threads raws li lawv tau screwed rau hauv cov khoom. Qee qhov piv txwv ntawm cov ntawv hlau ntsia hlau muaj xws li:
1. Hex Lub Taub Hau Sheet Hlau Screws:Cov ntsia hlau no muaj lub taub hau hexagonal, tso cai rau kev yooj yim wrenching thaum lub sijhawm teeb tsa.
2. Phillips yias taub hau Sheet Hlau Screws:Cov ntsia hlau no muaj lub taub hau zoo li lub lauj kaub nrog lub qhov sib dhos rau kev teeb tsa siv lub hau ntswj.
3. Oval Head Sheet Hlau Screws:Cov ntsia hlau no muaj lub taub hau oval-puab, uas muab qhov zoo nkauj thiab ua tiav.
Self-tapping Screws:
Self-tapping screws muaj cov xov uas tshwj xeeb tsim los txiav rau hauv cov khoom uas lawv tau muab ntsia rau hauv. Lawv tshem tawm qhov xav tau rau kev xyaum ua ntej lossis tapping lub qhov, ua rau lawv yooj yim rau kev teeb tsa sai. Qee qhov piv txwv ntawm tus kheej tapping screws suav nrog:
1. Phillips Yias Lub Taub Hau Self-Tapping Screws:Cov ntsia hlau no muaj lub taub hau zoo li lub lauj kaub nrog lub qhov sib tsoo thiab cov xov ntse rau tapping rau hauv ntau yam khoom.
2. Hex Washer Head Self-Tapping Screws:Cov ntsia hlau no muaj lub taub hau hexagonal thiab lub tshuab ntxhua khaub ncaws uas faib cov khoom thauj, muab kev ruaj ntseg fastening.
Qhob Screws:
Qhob screws, tseem hu ua masonry screws, yog tsim tshwj xeeb rau kev ruaj ntseg khoom rau pob zeb, cib, los yog thaiv qhov chaw. Lawv muaj cov xov tawv tawv uas muab kev tuav zoo heev thiab ua haujlwm rau kev tshem tawm ntawm cov khoom siv. Qee qhov piv txwv ntawm cov pob zeb ua vaj tse muaj xws li:
1. Hex Head Concrete Screws:Cov ntsia hlau no muaj lub taub hau hexagonal rau kev teeb tsa yooj yim siv lub dab teg lossis lub qhov (socket).
2. Flat Head Concrete Screws:Cov ntsia hlau no muaj lub taub hau tiaj tus rau kev sib tsoo ntawm qhov chaw.
Tshwj xeeb Screws:
Sib nrug los ntawm cov qauv ntsia hlau uas tau hais los saum no, kuj tseem muaj cov ntsia hlau tshwj xeeb tsim los rau cov ntawv thov tshwj xeeb. Nov yog qee qhov piv txwv:
1. Drywall Screws:Cov ntsia hlau no muaj cov xov zoo thiab lub taub hau zoo li lub taub hau, zoo tagnrho rau kev txuas cov phab ntsa ntub dej rau cov ntoo los yog hlau thav ntawv.
2. Roofing Screws:Cov ntsia hlau no muaj lub tshuab ntxhua khaub ncaws hauv qab lub taub hau kom tiv thaiv kom tsis txhob xau thiab feem ntau siv rau hauv kev siv vov tsev.
3. Decking Screws:Cov ntsia hlau no muaj cov txheej txheem corrosion-resistant thiab yog tsim los rau nruab decking boards.
4. Kev ruaj ntseg Screws:Cov ntsia hlau no muaj lub taub hau tsav tshwj xeeb uas xav tau cov cuab yeej tshwj xeeb rau kev tshem tawm, muab kev ruaj ntseg ceev ceev.
Xaus:
Screws yog ntau yam fasteners siv nyob rau hauv ntau yam lag luam thiab kev siv. Cov piv txwv hais saum toj no tsuas yog khawb qhov chaw ntawm ntau hom muaj. Thaum xaiv cov ntsia hlau, nws yog ib qho tseem ceeb uas yuav tsum xav txog cov ntaub ntawv raug koom nrog, qhov xav tau lub zog, thiab qhov zoo nkauj zoo nkauj xav tau. Kev xaiv kom raug thiab kev teeb tsa ntawm cov ntsia hlau kom ruaj khov thiab ruaj khov.