Mugadziri Stainless Steel Flat Washer fekitori

Chii chinonzi flat washers?Flat washerskudzivirira kunyura kwekubereka nzvimbo,Basa guru reflat washersKuwedzera saizi yescrew's bearingsurface area, uye kuderedza kudzvanywa kwepamusoro kwakaiswa pachinhu chakasungirirwa.