I le avea ai ma se tasi o faʻapolofesa maualuga Hexagon Socket Flat Countersunk Head Cap Screws gaosi oloa, e mafai ona e mautinoa e faʻatau Hexagon Socket Flat Countersunk Head Cap Screws mai DONGSHAO ma o le a matou ofoina atu ia te oe le auaunaga sili ona lelei pe a uma ona faʻatau ma tuʻuina atu taimi.
O le Hebei Dongshao Fastener Manufacturing Co., Ltd. ose ta'uta'ua fa'atau oloa ma fa'ameamea o fa'amau fa'amafola fa'ato'a fa'amafola fa'ato'a fa'a'ofu fa'alava i Saina.
O a matou fa'amau fa'amafola fa'ato'aga fa'amau fa'amau fa'a sikulu fa'aulu o lo'o gaosia i le tausisia atoatoa o tulaga fa'ava-o-malo, e aofia ai le DIN 7991, ANSI/ASME B18.3.5M, ma le ASTM F835, fa'amautinoa le fetaui lelei ma mana'oga fa'ainisinia o le lalolagi.
O fa'amau fa'amafola fa'ato'a fa'ato'a fa'amau fa'amau fa'amau fa'amau e faia i u'amea u'amea maualuga (SCM435 tutusa) fa'atasi ai ma fa'ata'ita'iga lelei o saito, e maua ai le malosi sili ma le tumau.
O fa'ailoga e fa'amalo ma fa'afefeteina le vevela, maua ai le ma'a'a o le tolusefululua i le tolusefuluiva HRC ma le fa'avasegaga malosi e tutusa ma le sefulu iva vasega.
Fa'atasi ai ma le fa'afefeteina, maualuga le malosi, ma le tete'e i le malepelepe, o nei fa'ailoga e fa'amautinoa le lelei o oloa.
E lelei tele le tekinolosi o le fa'aogaina o luga ole sikulima.
O lo'o maua auala eseese mo togafitiga e aofia ai:
Fa'apalaina o le Zinc/Trivalent Chromate – fa'asiliina le fa'a'ele'ele ma se fa'au'uga lamolemole, matagofie.
Black oxide – e maua ai se foliga lanu uliuli ma le puipuia lelei o le ele.
Togafitiga fa'apitoa i luga e maua i luga ole talosaga.
E sa'o le tele o fa'amau fa'amafola fa'a hexagon, fa'atasi ai ma le sa'o sa'o lelei o le socket hexagon.
Ole mea lea e fa'amautinoa ai e sili atu ona mautu ma fa'atuatuaina fa'aoga.
O oloa e faʻaaogaina lautele i vaega eseese e aofia ai:
Pasika – fa'ava'a ma vaega fa'apipi'i.
Masini – mea faigaluega fa'apisinisi ma faiga sa'o.
Ta'avale - fa'apipi'i ta'avale ma vaega.
Fauga - fa'aoga fa'atulagaina.
Fe'avea'i a'oa'oga - o galuega tau nofoaafi ma atina'e tetele.
Photovoltaic solar – faiga fa'apipi'i i luga ole la.
Ua fa'apipi'i fa'amau fa'amau fa'amafola fa'a fa'atū'au fa'a'aono fa'amau fa'amau fa'amau fa'ama'i fa'aono, fa'afaigofie le utaina ma le la'u ese o uta.
O le mamanu o le ulu fa'ato'aga e fetaui lelei mo pu fa'amau i fa'amau, mea fa'ainisinia, ma fa'aoga e mana'omia ai se fa'au'uga lamolemole.
| (mm) | M3 | M4 | M5 | M6 | M8 | M10 | M12 | M14 | M16 | M20 |
| P | 0.5 | 0.7 | 0.8 | 1 | 1.25 | 1.5 | 1.75 | 2 | 2 | 2.5 |
| dk max | 6.72 | 8.96 | 11.21 | 13.44 | 17.92 | 22.4 | 26.88 | 30.8 | 33.6 | 40.32 |
| dk min | 5.54 | 7.53 | 9.43 | 11.34 | 15.24 | 19.22 | 23.12 | 26.52 | 29.01 | 36.05 |
| e min | 2.303 | 2.873 | 3.443 | 4.583 | 5.723 | 6.863 | 9.149 | 11.429 | 11.429 | 13.716 |
| k max | 1.86 | 2.48 | 3.1 | 3.72 | 4.95 | 6.2 | 7.44 | 8.4 | 8.8 | 10.16 |
| s max | 2.08 | 2.58 | 3.08 | 4.095 | 5.14 | 6.14 | 8.175 | 10.175 | 10.175 | 12.212 |
| s min | 2.02 | 2.52 | 3.02 | 4.02 | 5.02 | 6.02 | 8.025 | 10.025 | 10.025 | 12.032 |
| t min | 1.1 | 1.5 | 1.9 | 2.2 | 3 | 3.6 | 4.3 | 4.5 | 4.8 | 5.6 |