Self-tapping screws yog ib hom kev sib txuas ntawm cov khoom siv sib txuas, thiab lawv cov qauv tsim tshwj xeeb tso cai rau nws tus kheej tho thiab threading ncaj qha rau ntawm cov hlau lossis yas substrates yam tsis tas yuav tsum tau ua ntej punching thaum lub sijhawm teeb tsa. Qhov kev tsim kho tshiab no ua kom yooj yim rau cov txheej txheem kev teeb tsa, nce kev ua haujlwm zoo, thiab txo cov nqi.
Self-tapping screws feem ntau yog ua los ntawm cov hlau muaj zog, thiab qhov saum npoo yog kho nrog galvanization, chrome plating, thiab lwm yam, kom lawv cov kev ua haujlwm tiv thaiv corrosion thiab ua rau lawv lub neej ua haujlwm ntev. Tsis tas li ntawd, lawv tuaj yeem coated raws li qhov xav tau sib txawv, xws li epoxy coatings, muab kev tiv thaiv corrosion ntau dua thiab dej tsis kam.