Muaj ob hom drywall screws: coarse xov thiab zoo xov. (tus neeg sau xov xwm: Anita)
Fine-xov drywall screws, tseem hu ua S-hom screws, yog tus kheej-threading, yog li lawv ua haujlwm zoo rau cov hlau studs. Nrog lawv cov ntsiab lus ntse, nplua-xov drywall screws yog qhov zoo tshaj plaws rau kev txhim kho phab ntsa ntub dej rau hlau studs.
Coarse threads muaj ib tug nyiam zom los ntawm cov hlau, yeej tsis tau traction kom raug.
Ntsuam xyuas qhov zoo ntawm drywall screws:
Zoo siab, Hoobkas nqi thiab tsim nyog ntawm koj kev ntseeg siab !!!
