Truss head self-drilling screws
Amagwiritsidwa ntchito makamaka pokonza matayala amtundu wazitsulo zachitsulo, komanso angagwiritsidwe ntchito pokonza mbale yopyapyala ya nyumba yosavuta.Mutha't kugwiritsidwa ntchito polumikiza zitsulo ndi zitsulo.
Mchira wa kudzibowolerawononga ndi mawonekedwe a kubowola mchira kapena lakuthwa mchira, amene akhoza mokhomerera mwachindunji, kugogoda ndi zokhoma pa zoikamo zipangizo ndi zipangizo zofunika popanda processing wothandiza, motero kwambiri kupulumutsa nthawi yomanga.Poyerekeza ndi wononga wamba, ili ndi mphamvu yokoka kwambiri komanso mphamvu yokonza, ndipo sichitha kwa nthawi yayitali ikaphatikiza.Ndizotetezeka kugwiritsa ntchito, ndipo ndizosavuta kumaliza kubowola ndikugogoda pa imodzi nthawi.
Lembani uthenga wanu apa ndikutumiza kwa ife