Self Drilling Screws

Izikrufu zetruss zinokwahlulwa ngokwesiseko zibe ziindidi ezimbini: ukusika izikrufu zetruss kunye nezikrufu zetruss zokubumba. Ukusika izikrufu zetruss kufezekiswa ngokusika imathiriyeli ekrwada kwiimilo ezisisigxina kwaye emva koko uzenze ngomatshini. Ngoko ke, imilo yabo yangaphandle ihlala rhoqo. Izikrufu zetruss ezibunjiweyo zenziwe ngokufudumeza intsimbi kunye nokusebenzisa umatshini wokubumba. Oku kuthetha ukuba imilo yezikrufu zetruss ezibunjiweyo zinokuba nzima ngakumbi.

I-Cross pan head self tapping screw sisikrufu sofakelo esiqhelekileyo esinentloko emise okwesiphambano esinokuqiniswa ngokulula ngescrewdriver. Into ephambili yolu hlobo lwe-screw yi-self-drilling intloko, oku kuthetha ukuba inokungena ngokuthe ngqo kwizinto eziphathekayo ngexesha lofakelo, iqinisekisa umphumo osisigxina.

Izikrufu zentloko ye-pan zine-slot kunye ne-cross slot yokukhetha. Ukuba i-screwdriver yombane isetyenziselwa ukufakela, i-slot ye-cross ikhethwa ngokubanzi.

I-Countersunk self tapping screw luhlobo lwesikrufu esinomjelo ojiyileyo okhethekileyo. Intloko yayo yenzelwe ukuba sicaba kwaye inezakhiwo ezininzi zamazinyo kumphezulu, ukuyivumela ukuba izibhobhoze kumphezulu wezinto eziphathekayo kwaye yenze ukulungiswa okuqinileyo. I-Countersunk self tapping screws isetyenziswa ngokubanzi ukulungisa izinto ezahlukeneyo, njengentsimbi, ubhedu, i-aluminiyam, umthi, njalo njalo.

Umsila we-drill tail screw ukwimo yomsila we-drill okanye umsila otsolo, ngaphandle kwemfuneko yokuncedisa. Isikrufu somsila we-drill sinokugrunjwa ngokuthe ngqo, sicofe, kwaye sitshixelwe kwizinto ezimiselweyo kunye nezinto ezisisiseko, ukonga kakhulu ixesha lokwakha. Izikrufu zomsila ogrunjiweyo zizikrufu eziqhelekileyo, ezinokuqina okuphezulu kunye namandla okugcina. Emva kokudibanisa ixesha elide, abayi kukhulula, kwaye ukusetyenziswa kokugaya okukhuselekileyo kunye nokucofa kulula ukugqiba kumsebenzi omnye.

Injongo yokubhoboza izikrufu zomsila kukuba: luhlobo lwesikrufu somthi, esisetyenziselwa ukulungisa iithayile zetsimbi ezinombala kwizakhiwo zetsimbi, kwaye zingasetyenziselwa ukulungisa amacwecwe amancinci kwizakhiwo ezilula. Ayinakusetyenziselwa ukulungiswa kwesinyithi kwintsimbi.