Ntsia hlau
Hla countersunk taub hau galvanized qhuav phab ntsa ntsia thawv
| Xov specifications d | 3.5 | 4 | 4.3 | |
| d | Max | 3.7 | 4 | 4.3 |
| Min | 3.4 | 3.7 | 4 | |
| ua dk | Max | 8.5 | 8.5 | 8.5 |
| Min | 8.14 ib | 8.14 ib | 8.14 ib | |
| Xov Length B | Min | - | - | - |
Cov yam ntxwv ntawm galvanized qhuav phab ntsa ntsia hlau
Cov ntsia hlau qhuav yog cov cuab yeej siv kho kom zoo nkauj hauv tsev, feem ntau yog ua los ntawm ob yam khoom: hlau qhuav phab ntsa rau tes thiab galvanized qhuav phab ntsa rau tes. Galvanized qhuav phab ntsa ntsia hlau yog ib hom ntawm cov ntsia hlau qhuav phab ntsa nrog ib tug nto uas tau galvanized, thiab nws cov yam ntxwv yog raws li nram no:
1. Muaj zog xeb tsis kam: Qhov saum npoo ntawm galvanized qhuav phab ntsa ntsia hlau tau dhau los kho galvanizing, uas tuaj yeem tiv thaiv lawv los ntawm xeb.
2. Kev siv dav dav: Cov khoom siv galvanized qhuav phab ntsa ntsia hlau muaj qhov nyuaj me ntsis thiab siv tau yooj yim. Nws tuaj yeem siv dav hauv kev lag luam xws li qhuav dai phab ntsa kho kom zoo nkauj, tshem tawm qab nthab, tiv thaiv tub sab qhov rooj thiab qhov rais, thiab tsim rooj tog.
3. Muaj zog durability: Galvanized qhuav phab ntsa ntsia hlau tuaj yeem tiv taus qee qhov hnyav thiab lub zog, muaj kev txhim kho siab, thiab ua haujlwm ntev.
Vim li cas thiaj xaiv peb cov khoom lag luam tiag tiag - nqe luv nqi - chaw tsim khoom ncaj qha muag - -kev lees paub zoo