Countersunk Head Blue-White Zinc Plated Self-Drilling Screw (Saina National Standard: Phillips Countersunk Head Self-Drilling And Self-Tapping Screw GB/T15856.2-2002)

1. Fa'atatau fanua ma fa'avae fa'avae a le atunu'u Saina

O lenei oloa e gaosia e tusa ai ma le GB / T15856.2-2002 tulaga faʻale-atunuu. O lo'o i ai le fa'aulufale fa'anofo a Phillips e 90°. A uma ona loka, e goto atoa le ulu sikulima i totonu o le laupapa, ma tuʻu ai se mea lamolemole e leai ni faʻafefe. E masani ona faʻaaogaina i le faʻapipiʻiina o faʻalo uamea mama, faitotoʻa ma faʻamalama meafaigaluega, uʻamea i totonu, faʻavaa uʻamea mama, meaafale faʻapipiʻi uʻamea, ma mea faʻapipiʻi alumini alumini. O oloa e auina atu i fafo i vaega i Sasaʻe Tutotonu, Asia i Sautesasae, Aferika ma isi maketi i fafo atu o masini ma mea faufale i le tausaga atoa. E sau ma se pito vili, faʻaumatia le manaʻoga mo le muaʻi viliina. E mafai ona vili i totonu o ie u'amea manifinifi ma papatusi laupapa e ta'i e le tagata lava ia, ma avea ai ma masini e lua-faamoemoega.

2. Filifiliga o Mea ma Fa'agasologa o Gaosiga

O mea mata'ina o le uamea carbon sili ona lelei ma ua uma ona fa'agata uma togafitiga vevela. O le maaa o le mata vili e o'o atu i le tulaga masani, o le viliina e ma'ai, ma o le viliina e tete'e i le pa'u pe malepe i le nofoaga vili. Fa'agasologa o gaosiga: sefulutasi faiga o ata talatala o mea mata, annealing, phosphating, ata lelei, ulutala malulu, fau togi, filo ta'avale, vevela togafitiga, faʻapipiʻi zinc, faʻapotopotoga faʻapipiʻi, ma afifiina. O le tootoo fa'amau a Phillips e fa'ata'atia ma e fetaui lelei mo fa'ailoga Phillips lautele. O le faʻapipiʻiina e le faigofie ona see ma faʻaleagaina faʻaleagaina; o le filo pitch e fa'avae i luga o le fa'asologa o tulaga masani a le atunu'u Saina. Pe a viliina i totonu o mea faavae, o le faamau e mausali ma e tetee i le tatalaina i lalo o taimi umi tulaga vibration. E mafiafia le pa'u eletise zinc lanumoana.

3. Fa'amanuiaga autu o oloa

90° countersunk ulu fa'apipi'i fa'apipi'i: fa'apipi'i fa'apipi'i fa'aulu fa'asaga, o le fa'asili fa'aulu e fa'afefeteina ma le mea faigaluega pe a uma ona fa'amau, ma e leai ni fa'aaliga fa'aalia. E sili atu mo teuteuga totonu ma galuega teuteu fale e manaʻomia foliga lamolemole.

Fa'ata'ita'iga a le atunu'u Saina e viliina e le tagata lava ia fa'atinoga lua-faamoemoega: Fa'ata'ita'i fa'asaga i ta'iala vili fa'ata'atia a le atunu'u, e mafai ona vili sa'o 0.7 ~ 6mm mafiafia ie u'amea u'amea ma le u'amea. E talafeagai foi mo le faʻapipiʻiina o laupapa malo, laupapa mafiafia, ma vaega palasitika, faʻaitiitia le aofaʻi o mea faʻatau oloa.

4. Puleaina lelei faleteuoloa ma auaunaga lagolago

O fa'amaumauga uma a le atunu'u Saina o lo'o i totonu o fa'asoa, o fa'atonuga masani e lafo i totonu ole 48 itula, ma e mafai ona talia fa'ata'ita'iga fa'ata'ita'iga laiti ma fa'aputuga atoa. Aʻo leʻi alu ese mai le fale gaosimea, o le maaa o le vili, le malosi o le Phillips, le saʻo o filo, faʻapipiʻi faʻapipiʻi, ma isi mea e suʻesuʻeina faʻatasi e tusa ai ma tulaga faʻa-Saina, ma faʻaumatia mea leaga e pei o ulu ulu ma mamanu nifo le atoatoa. E mafai ona faʻapipiʻiina i seti atoatoa ma le matou fale gaosimea faʻapipiʻi mafolafola ma fufulu vaipuna, tuʻuina atu mea faʻapipiʻi faʻapipiʻi tasi; e lagolagoina fa'apitoa fa'alautele ma fa'apitoa-foliga nonstandard vili fa'ailoga fa'ailoga e tusa ai ma ata po'o fa'ata'ita'iga, ma mautu le gaosiga gafatia fa'amautinoaina fa'afouga oka mo se taimi umi mo tagata fa'atau mai fafo.