沖(chong)(chong)孔(kong)封頭(tou)(tou)：由(you)一(yi)個或(huo)多個孔(kong)沖(chong)(chong)壓成形的封頭(tou)(tou)。沖(chong)(chong)孔(kong)封頭(tou)(tou)也(ye)有橢圓形沖(chong)(chong)孔(kong)封頭(tou)(tou)、平底沖(chong)(chong)孔(kong)封頭(tou)(tou)、蝶形沖(chong)(chong)孔(kong)封頭(tou)(tou)、無直邊沖(chong)(chong)孔(kong)封頭(tou)(tou)等！

一般沖孔封(feng)頭多(duo)用于各種設備過(guo)濾使(shi)用。而孔的大小，距離(li)均可(ke)按要(yao)求來定做。