Bolts yog siv los txuas ob feem nrog los ntawm qhov. Hom kev sib txuas no yog hu ua bolted txuas. Txij li thaum ob qhov chaw tuaj yeem sib cais los ntawm unscrewing cov txiv ntoo, ib qho kev sib txuas bolted yog ib qho kev sib txuas detachable. Anchor bolts yog ib hom kev sib txuas ntawm bolted; Tom qab sib dhos, tsuas yog cov txiv ntoo tuaj yeem tshem tau, thaum lub ntsia liaj qhov rooj nws tus kheej yog tsau rau cov pob zeb hauv qab ntawm qee txoj kev thiab tsis tuaj yeem sib cais.
Chemical anchoring siv cov tshuaj nplaum (anchoring adhesive) rau cov hlua khi steel tuav mus rau qhov drilled qhov nyob rau hauv cov pob zeb substrate. Los ntawm kev sib txuas thiab xauv, cov ribbed steel tuav yog anched.