【正文】
hanics).產(chǎn)品等級(jí)F泛指根據(jù)產(chǎn)品質(zhì)量所制定的嚴(yán)格公差要求(如在精確的技工中)。3 Thread lengths3 螺紋長(zhǎng)度P = pitch of thread P=螺距4 Nominal lengths4 公稱(chēng)長(zhǎng)度Continued on pages 2 to 5.詳見(jiàn)第2頁(yè)到第5頁(yè)。 Slots 插槽Table 2表2Slot width, n插槽寬度,nNominal value公稱(chēng)值Tolerance公差C11≥ C12≥C136 Head heights6 螺頭高度 Head diameters 螺頭直徑Table 3表3Thread diameter螺紋直徑Tolerance on D 直徑公差Slotted cheese head screws開(kāi)槽圓柱頭螺釘Cross recessed pan head screws十字槽盤(pán)頭螺釘≥1 ≤h12h13 ≤3h13h13Table 4表4Thread diameter螺紋直徑Tolerance on D2)直徑公差2)