Countersunk thiab non countersunk yog ob hom qauv ntawm cov ntsia hlau taub hau tsim. Lub taub hau uas tsis yog suav nrog suav nrog cov taub hau, khawm taub hau, lub taub hau cylindrical, lub taub hau sib npaug, flange hau, hexagonal hau, lauj kaub taub hau, ncig, square, truss hau, thiab lwm yam, thaum lub taub hau countersunk tsim feem ntau suav nrog lub taub hau tiaj tus, ellipses, thiab horn taub hau.
Lub taub hau countersunk ntsia hlau yog tsim los yaug nrog lossis me ntsis hauv qab ntawm cov khoom tom qab ua tiav. Nws muaj ib tug conical zoo nrog ib tug conical zawj rau saum. Lub hom phiaj ntawm lub qhov countersunk yog tsim kom muaj qhov sib luag thiab zoo ib yam tom qab zawm cov ntsia hlau. Thaum cov ntsia hlau countersunk tau ua tiav, lub taub hau yuav yaug nrog lossis me ntsis hauv qab ntawm cov khoom siv, ua tiav qhov zoo li seamless. Countersunk screws feem ntau yog siv thaum lub tiaj tus thiab du nto yuav tsum tau siv, thiab lawv feem ntau siv hauv kev ua haujlwm ntoo, cov khoom siv, thiab cov ntawv thov uas tseem ceeb rau kev zoo nkauj thiab cov kab huv si.
Ntawm qhov tod tes, lub taub hau uas tsis yog countersunk ntsia hlau tsis muaj cov duab conical lossis concave sab saum toj, nrog lub taub hau tag. Lawv lub hom phiaj tsim tsis yog kom yaug nrog qhov chaw ntawm cov khoom. Ntawm qhov tsis sib xws, lawv muaj lub taub hau loj, tiaj tus, lossis lub voj voog uas tseem pom tau thaum lub hau ntswj nruj nruj. Thaum lub ntsej muag ntawm cov ntsia hlau tsis yog ib qho kev txhawj xeeb thiab nws yog qhov tsim nyog los yog tsim nyog siv lub taub hau los yog tsa taub hau, tsis yog countersunk ntsia hlau taub hau feem ntau yog siv. Cov ntsia hlau no feem ntau yog siv rau hauv kev tsim kho, kev ua haujlwm hlau, thiab kev siv uas tseem ceeb rau lub zog, ua haujlwm ntev, thiab kev ua haujlwm zoo nkauj.
Post lub sij hawm: Jan-02-2025