nws tus kheej tapping ntawv hlau screws nrog roj hmab washer

Self-tapping sheet hlau screws nrog roj hmab ntxhua khaub ncaws feem ntau yog siv rau hauv cov ntawv thov uas yuav tsum tau muaj lub foob dej. Cov roj hmab ntxhua khaub ncaws ua los ntawm cov ntsia hlau thiab cov hlau nto, tiv thaiv cov dej los ntawm kev nkag mus rau hauv. Cov ntsia hlau no tshwj xeeb tsim los siv rau cov ntawv hlau thiab lwm yam ntaub ntawv nyias.Thaum txhim kho tus kheej tapping ntawv hlau screws nrog roj hmab washers, ntawm no yog Ib txhia cov kauj ruam dav dav ua raws: Siv lub qhov: Siv lub laum ua ntej uas tau sib tw ntawm cov ntsia hlau kom ua ntej-laum ib qho hauv cov ntawv hlau. Qhov no yuav pab kom cov ntsia hlau pib yooj yim thiab tiv thaiv cov hlau los ntawm kev tawg lossis tawg.Txoj haujlwm ntawm cov roj hmab ntxhua khaub ncaws: Muab cov roj hmab ntxhua khaub ncaws rau ntawm cov ntsia hlau, muab tso rau ze rau ntawm lub taub hau ntawm cov ntsia hlau.Screw hauv cov ntsia hlau: ntxig cov ntsia hlau rau hauv cov ntsia hlau. pre-drilled qhov thiab pib tig nws clockwise. Tus kheej-tapping feature ntawm cov ntsia hlau yuav txiav threads rau hauv cov hlau raws li nws yog screwed nyob rau hauv.Tighten lub ntsia hlau: txuas ntxiv ntsia hlau rau hauv lub ntsia hlau kom txog thaum nws tag nrho nruj, xyuas kom meej tias cov roj hmab washer yog compressed rau saum npoo. Ceev faj tsis txhob overtighten, vim nws yuav ua rau lub tshuab ntxhua khaub ncaws los yog strip lub threads.Nws yog ib qho tseem ceeb uas yuav tsum nco ntsoov tias cov lus qhia tshwj xeeb yuav txawv nyob ntawm qhov txawv ntawm koj qhov project thiab hom ntawm tus kheej tapping ntawv hlau ntsia hlau koj siv. Nco ntsoov xa mus rau cov chaw tsim khoom cov lus qhia rau cov kev coj ua zoo tshaj plaws thiab cov lus pom zoo.