Self-tapping screws imhando yakajairika yemechani yekubatanidza, uye dhizaini yavo yakasarudzika inobvumira kuzvirovera uye kupinza zvakananga pasimbi kana epurasitiki substrates pasina kudiwa kwekutanga-kubaya panguva yekuisa. Iyi dhizaini yekuvandudza inorerutsa zvakanyanya nzira yekuisa, inowedzera kushanda zvakanaka, uye inoderedza mitengo.
Self-tapping screws inowanzogadzirwa nesimbi yakasimba-yakasimba, uye pamusoro inobatwa ne galvanization, chrome plating, nezvimwewo, kuwedzera maitiro avo e-anti-corrosion uye kurebesa hupenyu hwavo hwebasa. Pamusoro pezvo, ivo vanogona zvakare kupfekedzwa zvinoenderana nezvinodiwa zvakasiyana, senge epoxy coatings, kupa yakakwira corrosion kuramba uye kudzivirira kwemvura.