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4.88 Qib 10 Sab Nraud Hexagonal Txiv Ntoo Galvanized
Cov txiv ntoo sab nraud, tseem hu ua hexagonal txiv ntoo, yog cov khoom siv sib txuas hauv cov khoom siv tshuab. Lawv feem ntau yog siv ua ke nrog screws thiab bolts los txuas ob lossis ntau yam khoom. Raws li cov qauv sib txawv, cov txiv ntseej sab nraud tau muab faib ua ntau yam qauv xws li M1-M64. Lub caij no, muaj cov ntaub ntawv sib txawv, suav nrog cov hlau tsis muaj steel, carbon hlau, thiab lwm yam. Cov txiv ntoo yog cov khoom sib txuas uas nruj nreem txuas cov cuab yeej siv tshuab, thiab tuaj yeem txuas nrog cov txiv ntseej thiab bolts ntawm tib lub ntsiab lus los ntawm cov xov sab hauv. Piv txwv li, M4-P0.7 txiv ntseej tsuas yog txuas nrog M4-P0.7 series bolts (hauv cov txiv ntseej, M4 hais txog lub taub sab hauv ntawm cov txiv ntoo yog kwv yees li 4 hli, 0.7 hais txog qhov kev ncua deb ntawm ob txoj hlua khi yog 0.7 hli. ); Tib yam siv rau Asmeskas cov khoom lag luam, piv txwv li, 1/4-20 txiv ntoo tsuas tuaj yeem ua ke nrog 1/4-20 ntsia hlau (1/4 yog hais txog cov txiv ntoo nrog ib txoj kab uas hla ntawm kwv yees li 0.25 ntiv tes, thiab 20 hais txog. 20 cov hniav ib nti).
Zinc plating yog txheej txheem kev kho mob hlau uas tsim cov zinc hlau alloy txheej lossis cov zinc txheej ntshiab los ntawm kev tso cov zinc txheej ntawm cov hlau saum npoo, tiv thaiv cov hlau kom tsis txhob raug corroded los ntawm ib puag ncig sab nraud thiab txuas nws lub neej kev pab cuam. Zinc muaj cov tshuaj ntsuab tsis zoo thiab tuaj yeem tsim cov yeeb yaj kiab dense zinc oxide rau saum npoo av, ua rau muaj kev sib tiv tauj ntawm huab cua thiab hlau. Tsis tas li ntawd, txheej txheej galvanized tuaj yeem txhim kho qhov hnav tsis kam thiab hardness ntawm cov hlau, tshwj xeeb tshaj yog thaum nws khawb los yog hnav, zinc txheej tuaj yeem kho tau, ua kom lub neej ua haujlwm ntawm cov hlau. Cov khoom siv Galvanized tau siv dav hauv kev lag luam xws li kev tsim kho, kev thauj mus los, thiab cov khoom siv hauv tsev vim lawv cov corrosion kuj thiab kav ntev.
Cov khoom siv rau cov txiv ntoo sab nrauv muaj xws li carbon steel, stainless hlau, thiab lwm yam. Ntawm lawv, carbon steel txheej hexagonal txiv ntseej muaj zog dua thiab tus nqi qis dua, thiab tau siv dav hauv cov tshuab thiab qee cov khoom siv hnyav. Stainless hlau hex txiv ntseej muaj kev tiv thaiv corrosion siab thiab zoo nkauj, ua rau lawv haum rau cov khoom siv uas nquag tuaj rau hauv cov dej thiab qhov chaw ntub dej, xws li cov nkoj thiab cov khoom siv hauv chav ua noj.
Sab nraud hexagonal txiv ntseej yog ib qho ntawm cov khoom tseem ceeb hauv kev sib txuas tshuab. Lawv cov duab hexagonal tshwj xeeb, shear lub zog, thiab ruaj khov thiab txhim khu kev qha kev sib txuas ua kom yooj yim rau kev teeb tsa thiab siv cov khoom siv kho tshuab.
Cov lus qhia tshwj xeeb ntawm txiv ntoo yog ib txoj hauv kev tshwj xeeb thiab nthuav dav los koom ua ke ntau hom txiv ntoo thiab faib qee qhov tshwj xeeb ntawm txiv ntoo siv lub rooj. Muaj ntau hom txiv ntoo, nrog rau cov txiv ntoo ntawm cov khoom sib txawv. Txhua hom txiv ntseej muaj qhov tshwj xeeb sib txawv, thiab txhua hom ntsia hlau kuj muaj nws tus kheej cov khoom siv thiab kev ua haujlwm. Cov txiv ntseej feem ntau yog cais raws li cov qauv hauv tebchaws (GB), German qauv (DIN), cov qauv thoob ntiaj teb (ISO), cov qauv Japanese (JIS), Asmeskas cov qauv (ASTM / ANSI), thiab lwm yam qauv raws li lawv cov khoom. Ntawm lawv, cov qauv hauv tebchaws, German qauv, thiab cov qauv Japanese yog sawv cev los ntawm M (xws li M8, M16), thaum cov qauv Asmeskas thiab Askiv tau sawv cev los ntawm cov feem ntau lossis # los qhia cov ntsiab lus (xws li 8 #, 10 #, 1/4 , ib., 3/8).