Screw Thread Kais yog siv los ua cov xov tshwj xeeb sab hauv ntawm cov xov hlau threaded installation qhov, tseem hu ua cov hlau threaded Screw Thread Tap, ST kais.Nws tuaj yeem siv los ntawm tshuab lossis tes.Ntsia Hlau Thread Taps tuaj yeem muab faib ua lub teeb alloy tshuab, tes kais, cov tshuab hlau zoo tib yam, ...
Nyeem ntxiv