Bolt pins nrog lub qhov yog me me tsis tseem ceeb tseem muaj cov khoom siv hauv kev lag luam ntau yam.
Countersunk Bolts yog feem ntau ua los ntawm high-daus hlau xws li stainless hlau lossis titanium, uas ua rau lawv tiv taus kev hnav thiab corrosion.
Round lub taub hau bolts yog ib qho tseem ceeb ntawm ntau yam tshuab thiab cov qauv. Lawv muaj cov yam ntxwv tshwj xeeb uas ua rau lawv sawv los ntawm lwm yam bolts.
Thaum nws los txog nrawm ob lossis ntau cov khoom kom ruaj ntseg, bolts feem ntau xaiv ntau tus engineers, kws kos duab, mechanics, thiab DIY txaus siab.
Ua ntej thiab foremost, Countersunk Bolts yog tsim kom haum rau hauv cov txee. Cov qhov no yog conical nyob rau hauv cov duab, uas txhais tau tias lawv taper mus rau hauv qab.
Lub hex taub hau flange ntsia liaj qhov rooj yog ib qho kub uas los nrog lub taub hau hexagonal thiab flange, uas yog qhov dav, tiaj tus disc nyob hauv qab ntawm lub taub hau.