Kev kub ceev pinhole ua tshuab feem ntau yog siv rau cov txheej txheem stainless hlau, hardened steel, nyuaj alloy, tooj liab, txhuas thiab ntau hom kev coj cov ntaub ntawv Nws tuaj yeem nkag ncaj qha lossis laum los ntawm cant, camber thiab pyramidal ntsej muag. Lub tshuab siv rau cov txheej txheem sib sib zog nqus pinhole xws li threading qhov ntawm cov hlau txiav ntawm ultra-hard conducting khoom, nozzle qhib cov roj twj, spinneret orifice ntawm spinning tuag, roj txoj kev ntawm hydropneumatic Cheebtsam thiab txias qhov ntawm lub cav.