dab tsi yog tus kheej tapping ntsia hlau

Tus kheej tapping ntsia hlau yog ib hom ntsia hlau uas tuaj yeem tapping yam tsis muaj qhov drilling ua ntej. Self-tapping screws xyaum lawv tus kheej qhov thaum lawv ntsia hlau rau hauv cov ntaub ntawv xws li ntoo, yas thiab hlau. Rau cov khoom siv tawv tawv xws li cov hlau lossis cov yas tawv, nws tus kheej tapping screws yog tsim los ntawm kev txiav cov khoob hauv qhov txuas ntxiv ntawm cov xov ntawm cov ntsia hlau, tsim cov xov zoo ib yam li cov xov ntawm cov ntsia hlau. Yog li cov ntsia hlau ib txwm tsis tuaj yeem coj mus rhaub nws lub qhov hauv cov hlau substrate, tab sis tus kheej tapping ntsia hlau tuaj yeem (hauv qhov txwv tsis pub muaj qhov nyuaj ntawm substrate hardness thiab qhov tob). Rau softer substrates xws li ntoo los yog mos yas, nws tus kheej-tapping ntsia hlau muaj peev xwm tsuas yog tshwm sim los ntawm lub ntsis tapering mus rau lub puab ntug taw tes (qhov twg grooves tsis yuav tsum tau). Zoo ib yam li lub taub hau ntawm tus ntsia hlau lossis hlau peg, qhov taw tes no tsim ib lub qhov los ntawm kev hloov ntawm cov khoom nyob ib puag ncig es tsis yog ib qho kev txiav / txiav / nqus tsev uas tsim cov chips.

Ob tug self-tapping screws nrog lub taub hau sib txawv

Qhov no txhais tau hais tias, ntxiv rau cov kais-zoo li thais nyob rau hauv pem hauv ntej xov, kuj tseem muaj ib tug thawj xyaum-zoo li grooved kawg uas zoo nkaus li zoo ib yam li qhov chaw xyaum nyob rau hauv lub kawg. Self-tapping screws ua ke drilling, tapping thiab installation ua; yog li lawv tau zoo heev nyob rau hauv ntau yam kev siv tawv substrate, los ntawm cov kab sib dhos mus rau lub ru tsev.