沖(chong)孔(kong)(kong)(kong)(kong)封(feng)頭(tou)(tou)：由一個(ge)或多個(ge)孔(kong)(kong)(kong)(kong)沖(chong)壓成形(xing)的封(feng)頭(tou)(tou)。沖(chong)孔(kong)(kong)(kong)(kong)封(feng)頭(tou)(tou)也有橢(tuo)圓形(xing)沖(chong)孔(kong)(kong)(kong)(kong)封(feng)頭(tou)(tou)、平底沖(chong)孔(kong)(kong)(kong)(kong)封(feng)頭(tou)(tou)、蝶形(xing)沖(chong)孔(kong)(kong)(kong)(kong)封(feng)頭(tou)(tou)、無(wu)直(zhi)邊沖(chong)孔(kong)(kong)(kong)(kong)封(feng)頭(tou)(tou)等！

一般沖(chong)孔封頭多用于各種設備過(guo)濾使(shi)用。而孔的大(da)小，距(ju)離均(jun)可按要求來定做。