Balaadhinta Bolts waa isku xirka dunta gaarka ah ee loo isticmaalo in lagu xidho taagerada tuubada, dhejiska, taageerrada, ama qalabka gidaarada, sagxadaha, iyo tiirarka.
Boodhka balaadhinta waxa uu ka kooban yahay bolt madaxa countersunk, tuubo ballaadhinta, weel fidsan, gaas guga iyo lowska laba geesoodka ah.
Marka la isticmaalo, daloolinta saamaynta (dubbada) ayaa loo isticmaalaa in lagu qodo godka cabbirka u dhigma ee jirka go'an, ka dibna boodhka iyo tuubada ballaarinta ayaa la geliyaa daloolka.